remove previous col option examples

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

@@ -71,9 +71,6 @@ export default class GridEditModal extends React.PureComponent {
                   </button>
                   <div className="dropdown-menu" aria-labelledby="dropdownMenuButton">
                     {/* TODO GW-3136 implement inside dropdown menu */}
-                    {/* <a className="dropdown-item" href="#">6:6</a>
-                    <a className="dropdown-item" href="#">4:8</a>
-                    <a className="dropdown-item" href="#">8:4</a> */}
                     <div className="container">
                       <div className="row">
                         <div className="col">