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/arm_compute/runtime/CL/functions/CLFill.h b/arm_compute/runtime/CL/functions/CLFill.h
index 99cae07..b79b234 100644
--- a/arm_compute/runtime/CL/functions/CLFill.h
+++ b/arm_compute/runtime/CL/functions/CLFill.h
@@ -38,14 +38,14 @@
 public:
     /** Initialize the function
      *
-     * @param[in,out] tensor         Source tensor. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32
+     * @param[in,out] tensor         Source tensor. Data types supported: All.
      * @param[in]     constant_value Constant value to use to fill tensor.
      */
     void configure(ICLTensor *tensor, PixelValue constant_value);
     /** Initialize the function
      *
      * @param[in]     compile_context The compile context to be used.
-     * @param[in,out] tensor          Source tensor. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32
+     * @param[in,out] tensor          Source tensor. Data types supported: All.
      * @param[in]     constant_value  Constant value to use to fill tensor.
      */
     void configure(const CLCompileContext &compile_context, ICLTensor *tensor, PixelValue constant_value);