[nostalgia] Address CLion warnings

src/nostalgia/world/studio/worldstudioplugin.cpp

@@ -39,12 +39,4 @@ QVector<WizardMaker> WorldEditorPlugin::newWizards(const Context *ctx) {
 	};
 }
 
-QWidget *WorldEditorPlugin::makeEditor(QString path, const Context *ctx) {
-	if (path.startsWith(PATH_ZONES)) {
-		return new WorldEditor(path, ctx);
-	} else {
-		return nullptr;
-	}
-}
-
 }

src/nostalgia/world/studio/worldstudioplugin.hpp

@@ -22,8 +22,6 @@ class WorldEditorPlugin: public QObject, public studio::Module {
 	public:
 		QVector<studio::WizardMaker> newWizards(const studio::Context *ctx) override;
 
-		QWidget *makeEditor(QString path, const studio::Context *ctx) override;
-
 };
 
 }