cleanup: Remove empty leading/trailing lines in blocks

gjs added a new rule to its eslint ruleset that forbids "block padding",
so make sure we conform to that rule before syncing up the configuration.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1498

js/ui/status/network.js

@@ -1588,7 +1588,6 @@ var DeviceCategory = class extends PopupMenu.PopupMenuSection {
         this._summaryItem.menu.addSettingsAction(_('Network Settings'),
                                                  'gnome-network-panel.desktop');
         this._summaryItem.hide();
-
     }
 
     _sync() {