cleanup: Avoid unnecessary braces

Our coding style has always been to avoid braces when all blocks
are single-lines.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/805

js/ui/components/automountManager.js

@@ -58,9 +58,8 @@ var AutomountManager = class {
     _InhibitorsChanged(_object, _senderName, [_inhibitor]) {
         this._session.IsInhibitedRemote(GNOME_SESSION_AUTOMOUNT_INHIBIT,
             (result, error) => {
-                if (!error) {
+                if (!error)
                     this._inhibited = result[0];
-                }
             });
     }
 

js/ui/components/autorunManager.js

@@ -245,11 +245,10 @@ var AutorunDispatcher = class {
         let success = false;
         let app = null;
 
-        if (setting == AutorunSetting.RUN) {
+        if (setting == AutorunSetting.RUN)
             app = Gio.app_info_get_default_for_type(contentTypes[0], false);
-        } else if (setting == AutorunSetting.FILES) {
+        else if (setting == AutorunSetting.FILES)
             app = Gio.app_info_get_default_for_type('inode/directory', false);
-        }
 
         if (app)
             success = startAppForMount(app, mount);

js/ui/components/telepathyClient.js

@@ -349,11 +349,10 @@ class ChatSource extends MessageTray.Source {
 
     getIcon() {
         let file = this._contact.get_avatar_file();
-        if (file) {
+        if (file)
             return new Gio.FileIcon({ file: file });
-        } else {
+        else
             return new Gio.ThemedIcon({ name: 'avatar-default' });
-        }
     }
 
     getSecondaryIcon() {