rocr: Fix Recursive Include in header files

scratch_cache.h includes amd_gpu_agent.h which then again includes
scratch_cache.h, this has now been fixed removing the unecessary
header include.

Signed-off-by: Sunday Clement <Sunday.Clement@amd.com>

runtime/hsa-runtime/core/inc/scratch_cache.h

@@ -43,7 +43,6 @@
 #ifndef HSA_RUNTIME_CORE_INC_SCRATCH_CACHE_H_
 #define HSA_RUNTIME_CORE_INC_SCRATCH_CACHE_H_
 
-#include "core/inc/amd_gpu_agent.h"
 #include "core/util/locks.h"
 #include "core/util/utils.h"