Remove (NE/CL)YoloLayer support

YOLO layer is too specialized and specific to a single model type. Can
be decomposed using split, activation and concatenate layers

Partially Resolves: COMPMID-3996

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I3cde88f8d4cc7d8c70ce1bb3b32b00f8d09bdca2
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4678
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
diff --git a/arm_compute/graph/nodes/SliceLayerNode.h b/arm_compute/graph/nodes/SliceLayerNode.h
index 55f52a7..08d3794 100644
--- a/arm_compute/graph/nodes/SliceLayerNode.h
+++ b/arm_compute/graph/nodes/SliceLayerNode.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 Arm Limited.
+ * Copyright (c) 2018-2020 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -41,7 +41,7 @@
      * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input).
      * @param[in] ends   The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input).
      */
-    SliceLayerNode(Coordinates &starts, Coordinates &ends);
+    SliceLayerNode(const Coordinates &starts, const Coordinates &ends);
     /** Computes slice layer output descriptor
      *
      * @param[in] input_descriptor Descriptor of the input tensor