Remove hip-hcc codes: Part four

Remove __HCC__, __HCC_ONLY__, __HCC_CPP__, __HCC_C__,
__HCC_OR_HIP_CLANG__, __HIP_ROCclr__ and their guarded codes.

Remove Hcc codes from directed_tests and samples.

Remove __HIP_PLATFORM_HCC__ and __HIP_PLATFORM_NVCC__ from
some files where they are not necessary.

Add deprecation notice.

Change-Id: I1ae467eafd749d6c25bca204c1724b026be21fce

tests/src/runtimeApi/memory/hipMemcpy3D.cpp

@@ -39,7 +39,7 @@ void runTest(int width,int height,int depth, hipChannelFormatKind formatKind)
             }
         }
     }
-    printf("test- sizeof(T) =%d\n", sizeof(T));
+    printf("test- sizeof(T) =%zu\n", sizeof(T));
     hipChannelFormatDesc channelDesc = hipCreateChannelDesc(sizeof(T)*8, 0, 0, 0, formatKind);
     hipArray *arr,*arr1;