Remove out of date UAPI protocol version test

The UAPI used in the protocol version test to request the Linux kernel
NPU driver to get the protocol version, no longer exists so the test has
been removed.

Change-Id: I9b60e3a733bc59a7180d40dbf908ca093452db61
Signed-off-by: Mikael Olsson <mikael.olsson@arm.com>
diff --git a/tests/run_inference_test.cpp b/tests/run_inference_test.cpp
index 94bb499..ef2266e 100644
--- a/tests/run_inference_test.cpp
+++ b/tests/run_inference_test.cpp
@@ -1,6 +1,5 @@
 /*
- * Copyright (c) 2022 Arm Limited.
- *
+ * SPDX-FileCopyrightText: Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the License); you may
@@ -48,15 +47,6 @@
     TEST_ASSERT(r == 0);
 }
 
-void testVersion(const Device &device) {
-    int r;
-    try {
-        r = device.ioctl(ETHOSU_IOCTL_VERSION_REQ);
-    } catch (std::exception &e) { throw TestFailureException("Version test: ", e.what()); }
-
-    TEST_ASSERT(r == 0);
-}
-
 void testCapabilties(const Device &device) {
     Capabilities capabilities;
     try {
@@ -149,7 +139,6 @@
 
     try {
         testPing(device);
-        testVersion(device);
         testCapabilties(device);
         testNetworkInfoNotExistentIndex(device);
         testNetworkInfoBuffer(device);