SWDEV-236178 - Remove __hip_pinned_shadow reference from dtests and add hipModuleUnload for all corresponding hipModuleLoad calls.

Change-Id: I405789b430ffbb8fccda1cebdb5d18e83a85c926


[ROCm/clr commit: 3fab381493]

projects/clr/hipamd/tests/src/runtimeApi/module/hipExtModuleLaunchKernel.cpp

@@ -127,6 +127,7 @@ int main()
     HIPCHECK(hipFree(Ad));
     HIPCHECK(hipFree(Bd));
     HIPCHECK(hipHostFree(C));
+    HIPCHECK(hipModuleUnload(Module));
     if(testStatus)
         passed();
 }