Removed duplication of 'later in' on "No main scene has ever been defined" alert (#12237)

editor/editor_node.cpp

@@ -1789,7 +1789,7 @@ void EditorNode::_run(bool p_current, const String &p_custom) {
 
 			current_option = -1;
 			//accept->get_cancel()->hide();
-			pick_main_scene->set_text(TTR("No main scene has ever been defined, select one?\nYou can change it later in later in \"Project Settings\" under the 'application' category."));
+			pick_main_scene->set_text(TTR("No main scene has ever been defined, select one?\nYou can change it later in \"Project Settings\" under the 'application' category."));
 			pick_main_scene->popup_centered_minsize();
 			return;
 		}