Remove legacy PostOps code

PostOps was the experimental interface for Dynamic Fusion. It is now
replaced by the new Dynamic Fusion interface with code generation using
the Compute Kernel Writer.

Resolves: COMPMID-6190

Change-Id: I813b48facef2fd6f3aee332588886b4f9b3d33d8
Signed-off-by: Jakub Sujak <jakub.sujak@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/10219
Benchmark: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: SiCong Li <sicong.li@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/SConscript b/SConscript
index 4eb3c25..7bc5aff 100644
--- a/SConscript
+++ b/SConscript
@@ -222,7 +222,7 @@
                 found = pattern.search(line)
                 if found:
                     # Only get the header file name and discard the relative path.
-                    # E.g. "common/experimental/gemm_fused_post_ops/fp_mixed_precision_helpers.h" -> "fp_mixed_precision_helpers.h"
+                    # E.g. "src/core/CL/cl_kernels/activation_float_helpers.h" -> "activation_float_helpers.h"
                     include_file = found.group(1).split('/')[-1]
                     data = files_dict[include_file].file_contents
                     updated_file.extend(data)
@@ -387,9 +387,6 @@
                         'src/core/CL/cl_kernels/tile_helpers.h',
                         'src/core/CL/cl_kernels/types.h',
                         'src/core/CL/cl_kernels/warp_helpers.h',
-                        'src/core/CL/cl_kernels/common/experimental/gemm_fused_post_ops/act_eltwise_op_act/fp_post_ops_act_eltwise_op_act.h',
-                        'src/core/CL/cl_kernels/common/experimental/gemm_fused_post_ops/fp_mixed_precision_helpers.h',
-                        'src/core/CL/cl_kernels/common/experimental/gemm_fused_post_ops/fp_elementwise_op_helpers.h',
                     ]
 
     # Common kernels
@@ -414,9 +411,6 @@
                        'src/core/CL/cl_kernels/common/elementwise_operation_quantized.cl',
                        'src/core/CL/cl_kernels/common/elementwise_unary.cl',
                        'src/core/CL/cl_kernels/common/elementwise_unary_quantized.cl',
-                       'src/core/CL/cl_kernels/common/experimental/gemm_fused_post_ops/act_eltwise_op_act/gemm_mm_native.cl',
-                       'src/core/CL/cl_kernels/common/experimental/gemm_fused_post_ops/act_eltwise_op_act/gemm_mm_reshaped.cl',
-                       'src/core/CL/cl_kernels/common/experimental/gemm_fused_post_ops/act_eltwise_op_act/gemm_mm_reshaped_only_rhs.cl',
                        'src/core/CL/cl_kernels/common/fft_digit_reverse.cl',
                        'src/core/CL/cl_kernels/common/fft.cl',
                        'src/core/CL/cl_kernels/common/fft_scale.cl',