COMPMID-970 : Remove QS8 / QS16 support

Removed fixed point related code.

Change-Id: I487acf138dace3b0450e0d72ca7071eaec254566
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/137678
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/runtime/CL/functions/CLSoftmaxLayer.h b/arm_compute/runtime/CL/functions/CLSoftmaxLayer.h
index 8ab6c16..34349ed 100644
--- a/arm_compute/runtime/CL/functions/CLSoftmaxLayer.h
+++ b/arm_compute/runtime/CL/functions/CLSoftmaxLayer.h
@@ -53,14 +53,14 @@
     CLSoftmaxLayer(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
     /** Set the input and output tensors.
      *
-     * @param[in]  input  Source tensor. Data types supported: QS8/QASYMM8/QS16/F16/F32
+     * @param[in]  input  Source tensor. Data types supported: QASYMM8/F16/F32
      * @param[out] output Destination tensor. Data types supported: same as @p input
      * @param[in]  beta   (Optional) A scaling factor for the exponent. Defaults to 1.f
      */
     void configure(const ICLTensor *input, ICLTensor *output, float beta = 1.0f);
     /** Static function to check if given info will lead to a valid configuration of @ref CLSoftmaxLayer
      *
-     * @param[in] input  Source tensor. Data types supported: QS8/QASYMM8/QS16/F16/F32
+     * @param[in] input  Source tensor. Data types supported: QASYMM8/F16/F32
      * @param[in] output Destination tensor. Data types supported: same as @p input
      *
      * @return a status