[vdi] Refactor texture/surface reference support.

Change-Id: I8014d82aae7139ef5f95e4b50c4fc6da200dbc9d

tests/src/runtimeApi/module/hipModuleTexture2dDrv.cpp

@@ -33,9 +33,6 @@ THE SOFTWARE.
 
 #define fileName "tex2d_kernel.code"
 
-#if __HIP__
-__hip_pinned_shadow__
-#endif
 texture<float, 2, hipReadModeElementType> tex;
 bool testResult = false;
 

tests/src/runtimeApi/module/tex2d_kernel.cpp

@@ -27,9 +27,6 @@ THE SOFTWARE.
 
 #include "hip/hip_runtime.h"
 
-#if __HIP__
-__hip_pinned_shadow__
-#endif
 extern texture<float, 2, hipReadModeElementType> tex;
 
 extern "C" __global__ void tex2dKernel(float* outputData, int width, int height) {