Move GDSript annotation application after type-checking

This ensures that annotations that rely on the datatype (such as
@export) can validated it timely, allowing compound expressions instead
of only literal values.

modules/gdscript/gdscript_analyzer.h

@@ -120,8 +120,6 @@ public:
 	Error analyze();
 
 	GDScriptAnalyzer(GDScriptParser *p_parser);
-
-	static void cleanup();
 };
 
 #endif // GDSCRIPT_ANALYZER_H