SWDEV-328274 - Move DLLMain from VDI layer to HIP/OCL layers

Change-Id: Idc84eb0db92d21a5ced8769fa1eae064b86c31b0


[ROCm/clr commit: 1fbc01a812]

projects/clr/rocclr/platform/runtime.hpp

@@ -82,8 +82,6 @@ public:
 
 inline bool Runtime::initialized() { return initialized_; }
 
-extern void shutDown();
-
 }  // namespace amd
 
 #endif /*RUNTIME_HPP_*/