src/vs/editor/contrib/comment/comment.ts/RemoveLineCommentAction/constructor
class RemoveLineCommentAction:	constructor() {
		super(Type.ForceRemove, {
			id: 'editor.action.removeCommentLine',
			label: nls.localize('comment.line.remove', "Remove Line Comment"),
			alias: 'Remove Line Comment',
			precondition: EditorContextKeys.writable,
			kbOpts: {
				kbExpr: EditorContextKeys.editorTextFocus,
				primary: KeyChord(KeyMod.CtrlCmd | KeyCode.KEY_K, KeyMod.CtrlCmd | KeyCode.KEY_U),
				weight: KeybindingWeight.EditorContrib
			}
		});
	}