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.cpp

@@ -562,20 +562,6 @@ hipError_t DynCO::getDynFunc(hipFunction_t* hfunc, std::string func_name) {
   return it->second->getDynFunc(hfunc, module());
 }
 
-bool DynCO::isValidDynFunc(const hipFunction_t& hfunc) {
-  amd::ScopedLock lock(dclock_);
-
-  CheckDeviceIdMatch();
-
-  for (auto it : functions_) {
-    if (it.second->isValidDynFunc(hfunc)) {
-      return true;
-    }
-  }
-
-  return false;
-}
-
 hipError_t DynCO::initDynManagedVars(const std::string& managedVar) {
   amd::ScopedLock lock(dclock_);
   DeviceVar* dvar;