COMPMID-3532: Align data type support between doxygen and implementation - CL

Also removes some unused code.

Change-Id: I85687c40999c3cdf9e6fccfcd020b0901a9515fe
Signed-off-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3581
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/CL/cl_kernels/transpose.cl b/src/core/CL/cl_kernels/transpose.cl
index 51860b6..785be6c 100644
--- a/src/core/CL/cl_kernels/transpose.cl
+++ b/src/core/CL/cl_kernels/transpose.cl
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 Arm Limited.
+ * Copyright (c) 2017-2020 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -132,7 +132,7 @@
  *  -# -DDATA_TYPE_IN_BYTES=2 for transposing U16, S16 or FP16 matrices
  *  -# -DDATA_TYPE_IN_BYTES=4 for transposing U32, S32 or FP32 matrices
  *
- * @param[in]  src_ptr                           Pointer to the source matrix. Supported data types: U8/S8/U16/S16/F16/U32/S32/F32
+ * @param[in]  src_ptr                           Pointer to the source matrix. Supported data types: All
  * @param[in]  src_stride_x                      Stride of the source matrix in X dimension (in bytes)
  * @param[in]  src_step_x                        src_stride_x * number of elements along X processed per workitem(in bytes)
  * @param[in]  src_stride_y                      Stride of the source matrix in Y dimension (in bytes)