remove unnecessary comments

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

@@ -78,60 +78,8 @@ export default class GridEditModal extends React.PureComponent {
                   <div className="bg-dark grid-editable-col col-4"></div>
                 </div>
               </div>
-              {/* <div className="col-9">
-                <div className="position-absolute">
-                  <div className="row h-100 flex-nowrap overflow-auto">{this.showBgCols()}</div>
-                  <div className="position-relative">
-                    <div className="row h-100 flex-nowrap overflow-auto">
-                      <div className="bg-dark grid-editable-col col-3"></div>
-                      <div className="bg-dark grid-editable-col col-5"></div>
-                      <div className="bg-dark grid-editable-col col-4"></div>
-                    </div>
-                  </div>
-                </div> */}
-              {/* <div className="offset-3 col-9 position-absolute">
-                <div className="row h-100 flex-nowrap overflow-auto">{this.showBgCols()}</div>
-              </div>
-              <div className="col-9 position-relative">
-                <div className="row h-100 flex-nowrap overflow-auto">
-                  <div className="bg-dark grid-editable-col col-3"></div>
-                  <div className="bg-dark grid-editable-col col-5"></div>
-                  <div className="bg-dark grid-editable-col col-4"></div>
-                </div>
-              </div> */}
             </div>
-            {/* <div className="col-9 position-relative">
-                <div className="row h-100 flex-nowrap overflow-auto">
-                  <div className="bg-dark grid-editable-col col-3"></div>
-                  <div className="bg-dark grid-editable-col col-5"></div>
-                  <div className="bg-dark grid-editable-col col-4"></div>
-                </div>
-              </div> */}
-            {/* </div> */}
           </div>
-          {/* <div className="container position-relative p-4">
-            <div className="row">
-              <div className="col-3">
-                <h5>Phone</h5>
-                <div className="device-container"></div>
-                <h5>Tablet</h5>
-                <div className="device-container"></div>
-                <h5>Desktop</h5>
-                <div className="device-container"></div>
-                <h5>Large Desktop</h5>
-                <div className="device-container"></div>
-              </div>
-              <div className="col-9">
-                <div className="row h-100 flex-nowrap overflow-auto">
-                  {/* [bg-dark:TODO support dark mode by GW-3037] */}
-          {/* [Just an example to check if bg-cols and editable-cols fit] */}
-          {/* <div className="bg-dark grid-editable-col col-3"></div>
-                  <div className="bg-dark grid-editable-col col-5"></div>
-                  <div className="bg-dark grid-editable-col col-4"></div>
-                </div>
-              </div>
-            </div>
-          </div> */}
         </ModalBody>
         <ModalFooter className="grw-modal-footer">
           <div className="ml-auto">