Merge pull request #36579 from dreamsComeTrue/remove-refbase-reference

Remove friend reference to non-existing class RefBase

core/reference.h

@@ -38,7 +38,6 @@
 class Reference : public Object {
 
 	GDCLASS(Reference, Object);
-	friend class RefBase;
 	SafeRefCount refcount;
 	SafeRefCount refcount_init;