SWDEV-241896 - Remove extern support in ROCclr/HIP since compiler added Texture reference support.

Change-Id: I1b0a7377b803b4e2b94ffef6ffd91e376fdb2b2f


[ROCm/clr commit: 19acb0bfe5]

projects/clr/hipamd/rocclr/hip_code_object.hpp

@@ -118,8 +118,6 @@ public:
   hipError_t getStatFuncAttr(hipFuncAttributes* func_attr, const void* hostFunction, int deviceId);
   hipError_t getStatGlobalVar(const void* hostVar, int deviceId, hipDeviceptr_t* dev_ptr,
                               size_t* size_ptr);
-  hipError_t getStatGlobalVarByName(std::string hostVar, int deviceId, hipModule_t hmod,
-                                    hipDeviceptr_t* dev_ptr, size_t* size_ptr);
 
 private:
   friend class ::PlatformState;