SWDEV-346382 - Don't fall back to sync for hipMemcpyAsync from host to device.

Change-Id: I5aab9041f87c549a03c86e95a39bfa437126a99b

hipamd/src/hip_memory.cpp

@@ -439,8 +439,6 @@ hipError_t ihipMemcpy(void* dst, const void* src, size_t sizeBytes, hipMemcpyKin
     } else {
       return hipErrorInvalidValue;
     }
-  } else if ((srcMemory == nullptr) && (dstMemory != nullptr)) {
-    isAsync = false;
   } else if ((srcMemory != nullptr) && (dstMemory == nullptr)) {
     isAsync = false;
   }