APPBROWSER-298: Remove the old shader common code

Remove token pasting operator support for GLES shader
Remove cs_shdaers/helpers.h (The old GLES shader common code)
Remove class BufferParam. We don't need to pass the buffer_data_type_shift to GLES shader.

Change-Id: Ic4fa6b2fb7647b8f69759f6077ae4a5b483cc04d
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/115448
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Frank Lei <frank.lei@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/src/core/GLES_COMPUTE/kernels/GCDepthConcatenateLayerKernel.cpp b/src/core/GLES_COMPUTE/kernels/GCDepthConcatenateLayerKernel.cpp
index a611178..1aac250 100644
--- a/src/core/GLES_COMPUTE/kernels/GCDepthConcatenateLayerKernel.cpp
+++ b/src/core/GLES_COMPUTE/kernels/GCDepthConcatenateLayerKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017, 2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -122,18 +122,9 @@
 
     do
     {
-        if(_input->info()->data_type() == DataType::F32)
-        {
-            unsigned int idx = 0;
-            add_3D_tensor_argument(idx, _input, 1, slice);
-            add_3D_tensor_argument(idx, _output, 2, slice);
-        }
-        else if(_input->info()->data_type() == DataType::F16)
-        {
-            unsigned int idx = 0;
-            add_3D_tensor_argument(idx, _input, BufferParam(1, 3), slice);
-            add_3D_tensor_argument(idx, _output, BufferParam(2, 3), slice);
-        }
+        unsigned int idx = 0;
+        add_3D_tensor_argument(idx, _input, 1, slice);
+        add_3D_tensor_argument(idx, _output, 2, slice);
 
         _kernel.update_shader_params();