SWDEV-368881 - Revert enable hipLaunchCooperativeKernel for hipRTC compiled function

This reverts commit b4d8586a11.

Reason for revert: Doesn't match with CUDA behavior

Change-Id: I413f3d241f864c1e7c21681c5fff8f216ef54306

hipamd/src/hip_code_object.hpp

@@ -92,9 +92,6 @@ public:
   hipError_t getDynFunc(hipFunction_t* hfunc, std::string func_name);
   hipError_t getDeviceVar(DeviceVar** dvar, std::string var_name);
 
-  // Verify whether the dynamic function is present or not
-  bool isValidDynFunc(const hipFunction_t& hfunc);
-
   hipError_t getManagedVarPointer(std::string name, void** pointer, size_t* size_ptr) const {
     auto it = vars_.find(name);
     if (it != vars_.end() && it->second->getVarKind() == Var::DVK_Managed) {