Add CpuPRelu operators

Implements: COMPMID-4184

Change-Id: I252168b460a18f837a26df5641664e95ddbd9c7e
Signed-off-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5237
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Manuel Bottini <manuel.bottini@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/runtime/NEON/functions/NEPReluLayer.h b/arm_compute/runtime/NEON/functions/NEPReluLayer.h
index 12ffb8d..b07febf 100644
--- a/arm_compute/runtime/NEON/functions/NEPReluLayer.h
+++ b/arm_compute/runtime/NEON/functions/NEPReluLayer.h
@@ -26,41 +26,14 @@
 
 #include "arm_compute/core/Types.h"
 #include "arm_compute/runtime/IFunction.h"
-#include "arm_compute/runtime/NEON/INEOperator.h"
+
+#include <memory>
 
 namespace arm_compute
 {
 class ITensor;
 class ITensorInfo;
 
-namespace experimental
-{
-/** Basic function to run @ref cpu::kernels::CpuArithmeticKernel for PRELU
- *
- * @note The function implements an activation layer with the PRELU activation function.
- */
-class NEPRelu : public INEOperator
-{
-public:
-    /** Set the input and output tensor.
-     *
-     * @param[in]  input  Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
-     * @param[in]  alpha  Source alpha tensor info. Data types supported: same of @p input.
-     * @param[out] output Destination tensor info. Data type supported: same as @p input
-     */
-    void configure(const ITensorInfo *input, const ITensorInfo *alpha, ITensorInfo *output);
-    /** Static function to check if given info will lead to a valid configuration of @ref cpu::kernels::CpuComparisonKernel
-     *
-     * @param[in] input  Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
-     * @param[in] alpha  Source alpha tensor info. Data types supported: same of @p input.
-     * @param[in] output Destination tensor info. Data type supported: same as @p input
-     *
-     * @return a status
-     */
-    static Status validate(const ITensorInfo *input, const ITensorInfo *alpha, const ITensorInfo *output);
-};
-} // namespace experimental
-
 /** Basic function to run @ref cpu::kernels::CpuArithmeticKernel for PRELU
  *
  * @note The function implements an activation layer with the PRELU activation function.