remove unnesseary functions

src/client/js/components/PageEditor/GridEditModal.jsx

@@ -54,24 +54,6 @@ export default class GridEditModal extends React.PureComponent {
     this.cancel();
   }
 
-  /* showBgCols() {
-    const cols = [];
-    for (let i = 0; i < 12; i++) {
-      // [bg-light:TODO support dark mode by GW-3037]
-      cols.push(<div className="bg-light grid-bg-col col-1"></div>);
-    }
-    return cols;
-  } */
-
-  /* showEditableCols() {
-    const cols = [];
-    for (let i = 0; i < 12; i++) {
-      // [bg-light:TODO support dark mode by GW-3037]
-      cols.push(<div className="bg-dark grid-bg-col col-1"></div>);
-    }
-    return cols;
-  } */
-
   render() {
     return (
       <Modal isOpen={this.state.show} toggle={this.cancel} size="xl">