feat: modules moved and engine moved to submodule

engine/editor/plugins/editor_plugin.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef EDITOR_PLUGIN_H
-#define EDITOR_PLUGIN_H
+#pragma once
 
 #include "core/io/config_file.h"
 #include "editor/plugins/editor_context_menu_plugin.h"
@@ -255,9 +254,6 @@ public:
 
 	void enable_plugin();
 	void disable_plugin();
-
-	EditorPlugin() {}
-	virtual ~EditorPlugin() {}
 };
 
 VARIANT_ENUM_CAST(EditorPlugin::CustomControlContainer);
@@ -296,5 +292,3 @@ public:
 		creation_funcs[creation_func_count++] = p_func;
 	}
 };
-
-#endif // EDITOR_PLUGIN_H