SWDEV-240165 - Move all amd::MemObjMap_ reference to ROCclr and only allow base ptr to get ipc handle.

Change-Id: I9de10a0c4ba4dee3b3c8b972966840ab807001d8

rocclr/platform/memory.hpp

@@ -280,10 +280,6 @@ class Memory : public amd::RuntimeObject {
                        bool forceCopy = false  //!< Force system memory allocation
   );
 
-  virtual void IpcCreate(size_t offset, size_t* mem_size, void* handle) const {
-    ShouldNotReachHere();
-  }
-
   // Accessors
   Memory* parent() const { return parent_; }
   bool isParent() const { return isParent_; }