Modernize RWLock

- Based on C++14's `shared_time_mutex`
- No more need to allocate-deallocate or check for null
- No pointer anymore, just a member variable
- Platform-specific implementations no longer needed
- Simpler for `NO_THREADS`

1 files changed, 1 insertions, 2 deletions

diff --git a/core/object/class_db.h b/core/object/class_db.h
index 0591676b92..6fd5748dbb 100644
--- a/core/object/class_db.h
+++ b/core/object/class_db.h
@@ -146,7 +146,7 @@ public:
 		return memnew(T);
 	}
 
-	static RWLock *lock;
+	static RWLock lock;
 	static HashMap<StringName, ClassInfo> classes;
 	static HashMap<StringName, StringName> resource_base_extensions;
 	static HashMap<StringName, StringName> compat_classes;
@@ -387,7 +387,6 @@ public:
 	static void get_extensions_for_type(const StringName &p_class, List<String> *p_extensions);
 
 	static void add_compatibility_class(const StringName &p_class, const StringName &p_fallback);
-	static void init();
 
 	static void set_current_api(APIType p_api);
 	static APIType get_current_api();