Document updates for 23.02

* Remove the PerformanceChart. png file which is no more used in the Readme
* Update release version for pre-built binaries in readme
* Remove link to outdated guide in readme
* Update example release branch in Android NDK md file

Signed-off-by: Nikhil Raj <nikhil.raj@arm.com>
Change-Id: I8f5cac684f9fa1c9ec5d2ba2286dea5dd47136ca
diff --git a/BuildGuideAndroidNDK.md b/BuildGuideAndroidNDK.md
index 7cbd4f9..c61a4fe 100644
--- a/BuildGuideAndroidNDK.md
+++ b/BuildGuideAndroidNDK.md
@@ -19,6 +19,7 @@
 Building protobuf is optional. We have given steps should the user wish to build it (i.e. as an Onnx dependency).
 All downloaded or generated files will be saved inside the `$HOME/armnn-devenv` directory.
 
+
 ## Download the Android NDK and make a standalone toolchain
 
 * Download the Android NDK from [the official website](https://developer.android.com/ndk/downloads/index.html):
@@ -132,9 +133,9 @@
 git pull
 ```
 
-For example, if you want to check out the 21.11 release branch:
+For example, if you want to check out the 23.02 release branch:
 ```bash
-git checkout branches/armnn_21_11
+git checkout branches/armnn_23_02
 git pull
 ```
 
@@ -150,9 +151,9 @@
 cd ComputeLibrary
 git checkout <tag_name>
 ```
-For example, if you want to checkout the 21.11 release tag:
+For example, if you want to checkout the 23.02 release tag:
 ```bash
-git checkout v21.11
+git checkout v23.02
 ```
 
 Arm NN and Arm Compute Library are developed closely together. If you would like to use a particular release of Arm NN you will need the same release tag of ACL too.
diff --git a/README.md b/README.md
index 52e109e..5553799 100644
--- a/README.md
+++ b/README.md
@@ -42,8 +42,7 @@
 Android Studio**. The AAR file nicely packages up the Arm NN TF Lite Delegate, Arm NN itself and ACL; ready to be
 integrated into your Android ML application. Using the AAR allows you to benefit from the **vast operator support** of
 the Arm NN TF Lite Delegate. We held an **[Arm AI Tech Talk](https://www.youtube.com/watch?v=Zu4v0nqq2FA)** on how to
-accelerate an ML Image Segmentation app in 5 minutes using this AAR file, with the supporting guide
-**[here](https://developer.arm.com/documentation/102744/latest)**. To download the Arm NN AAR file, please see the
+accelerate an ML Image Segmentation app in 5 minutes using this AAR file. To download the Arm NN AAR file, please see the
 **[Pre-Built Binaries](#pre-built-binaries)** section below.
 
 We also provide Debian packages for Arm NN, which are a quick way to start using Arm NN and the TF Lite Parser
@@ -60,14 +59,14 @@
 
 ## Pre-Built Binaries
 
-| Operating System                              | Architecture-specific Release Archive (Download)                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
-|-----------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| Android (AAR)                                 | [![](https://img.shields.io/badge/download-android--aar-orange)](https://github.com/ARM-software/armnn/releases/download/v22.11/armnn_delegate_jni-22.11.aar)                                                                                                                                                                                                                                                                                                                                         |
-| Android 10 "Q/Quince Tart" (API level 29)     | [![](https://img.shields.io/badge/download-arm64--v8.2a-blue)](https://github.com/ARM-software/armnn/releases/download/v22.11/ArmNN-android-29-arm64-v8.2-a.tar.gz) [![](https://img.shields.io/badge/download-arm64--v8a-red)](https://github.com/ARM-software/armnn/releases/download/v22.11/ArmNN-android-29-arm64-v8a.tar.gz) |
-| Android 11 "R/Red Velvet Cake" (API level 30)     | [![](https://img.shields.io/badge/download-arm64--v8.2a-blue)](https://github.com/ARM-software/armnn/releases/download/v22.11/ArmNN-android-30-arm64-v8.2-a.tar.gz) [![](https://img.shields.io/badge/download-arm64--v8a-red)](https://github.com/ARM-software/armnn/releases/download/v22.11/ArmNN-android-30-arm64-v8a.tar.gz) |
-| Android 12 "S/Snow Cone" (API level 31)     | [![](https://img.shields.io/badge/download-arm64--v8.2a-blue)](https://github.com/ARM-software/armnn/releases/download/v22.11/ArmNN-android-31-arm64-v8.2-a.tar.gz) [![](https://img.shields.io/badge/download-arm64--v8a-red)](https://github.com/ARM-software/armnn/releases/download/v22.11/ArmNN-android-31-arm64-v8a.tar.gz) |
-| Android 13 "T/Tirimase" (API level 32)     | [![](https://img.shields.io/badge/download-arm64--v8.2a-blue)](https://github.com/ARM-software/armnn/releases/download/v22.11/ArmNN-android-32-arm64-v8.2-a.tar.gz) [![](https://img.shields.io/badge/download-arm64--v8a-red)](https://github.com/ARM-software/armnn/releases/download/v22.11/ArmNN-android-32-arm64-v8a.tar.gz) |
-| Linux                                         | [![](https://img.shields.io/badge/download-aarch64-green)](https://github.com/ARM-software/armnn/releases/download/v22.08/ArmNN-linux-aarch64.tar.gz) [![](https://img.shields.io/badge/download-x86__64-yellow)](https://github.com/ARM-software/armnn/releases/download/v22.08/ArmNN-linux-x86_64.tar.gz)                                                                                                                                                                                        |
+| Operating System                              | Architecture-specific Release Archive (Download)                                                                                                                                                                                                                                                                                  |
+|-----------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| Android (AAR)                                 | [![](https://img.shields.io/badge/download-android--aar-orange)](https://github.com/ARM-software/armnn/releases/download/v23.02/armnn_delegate_jni-23.02.aar)                                                                                                                                                                     |
+| Android 10 "Q/Quince Tart" (API level 29)     | [![](https://img.shields.io/badge/download-arm64--v8.2a-blue)](https://github.com/ARM-software/armnn/releases/download/v23.02/ArmNN-android-29-arm64-v8.2-a.tar.gz) [![](https://img.shields.io/badge/download-arm64--v8a-red)](https://github.com/ARM-software/armnn/releases/download/v23.02/ArmNN-android-29-arm64-v8a.tar.gz) |
+| Android 11 "R/Red Velvet Cake" (API level 30)     | [![](https://img.shields.io/badge/download-arm64--v8.2a-blue)](https://github.com/ARM-software/armnn/releases/download/v23.02/ArmNN-android-30-arm64-v8.2-a.tar.gz) [![](https://img.shields.io/badge/download-arm64--v8a-red)](https://github.com/ARM-software/armnn/releases/download/v23.02/ArmNN-android-30-arm64-v8a.tar.gz) |
+| Android 12 "S/Snow Cone" (API level 31)     | [![](https://img.shields.io/badge/download-arm64--v8.2a-blue)](https://github.com/ARM-software/armnn/releases/download/v23.02/ArmNN-android-31-arm64-v8.2-a.tar.gz) [![](https://img.shields.io/badge/download-arm64--v8a-red)](https://github.com/ARM-software/armnn/releases/download/v23.02/ArmNN-android-31-arm64-v8a.tar.gz) |
+| Android 13 "T/Tirimase" (API level 32)     | [![](https://img.shields.io/badge/download-arm64--v8.2a-blue)](https://github.com/ARM-software/armnn/releases/download/v23.02/ArmNN-android-32-arm64-v8.2-a.tar.gz) [![](https://img.shields.io/badge/download-arm64--v8a-red)](https://github.com/ARM-software/armnn/releases/download/v23.02/ArmNN-android-32-arm64-v8a.tar.gz) |
+| Linux                                         | [![](https://img.shields.io/badge/download-aarch64-green)](https://github.com/ARM-software/armnn/releases/download/v23.02/ArmNN-linux-aarch64.tar.gz) [![](https://img.shields.io/badge/download-x86__64-yellow)](https://github.com/ARM-software/armnn/releases/download/v23.02/ArmNN-linux-x86_64.tar.gz)                       |
 
 
 ## Software Overview
diff --git a/docs/PerformanceChart.png b/docs/PerformanceChart.png
deleted file mode 100644
index 7a6d8db..0000000
--- a/docs/PerformanceChart.png
+++ /dev/null
Binary files differ
diff --git a/docs/PerformanceChart.png.license b/docs/PerformanceChart.png.license
deleted file mode 100644
index 14e9b44..0000000
--- a/docs/PerformanceChart.png.license
+++ /dev/null
@@ -1,4 +0,0 @@
-#
-# Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
-# SPDX-License-Identifier: MIT
-#