Port NEGEMMConv2d to memory injecting interface

Resolves: COMPMID-4506, COMPMID-4570

Change-Id: I6d37a06da141f1fcfcaa8525322a319cb0234791
Signed-off-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5824
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/runtime/NEON/functions/NEGEMMConv2d.h b/arm_compute/runtime/NEON/functions/NEGEMMConv2d.h
index f39ce4d..53ceb6d 100644
--- a/arm_compute/runtime/NEON/functions/NEGEMMConv2d.h
+++ b/arm_compute/runtime/NEON/functions/NEGEMMConv2d.h
@@ -29,15 +29,12 @@
 #include "arm_compute/runtime/IMemoryManager.h"
 
 #include <memory>
+
 namespace arm_compute
 {
 // Forward declarations
 class ITensor;
 class ITensorInfo;
-namespace cpu
-{
-class CpuGemmAssemblyDispatch;
-}
 
 /** Basic function to compute the convolution layer. This function calls the following kernels/functions:
  *