Replace misc/util.js polyfills with js natives... (#11865)

+add brackets accidentally omitted in commit 975bb2c

+remove 2 unused imports and one unused constant

files/usr/share/cinnamon/applets/menu@cinnamon.org/appUtils.js

@@ -1,8 +1,6 @@
 const Cinnamon = imports.gi.Cinnamon;
 const CMenu = imports.gi.CMenu;
 
-const Util = imports.misc.util;
-
 let appsys = Cinnamon.AppSystem.get_default();
 
 function decomp_string(s) {

files/usr/share/cinnamon/applets/menu@cinnamon.org/applet.js

@@ -11,7 +11,6 @@ const AppFavorites = imports.ui.appFavorites;
 const Gtk = imports.gi.Gtk;
 const Atk = imports.gi.Atk;
 const Gio = imports.gi.Gio;
-const GObject = imports.gi.GObject
 const XApp = imports.gi.XApp;
 const GnomeSession = imports.misc.gnomeSession;
 const ScreenSaver = imports.misc.screenSaver;
@@ -28,7 +27,6 @@ const SignalManager = imports.misc.signalManager;
 const Params = imports.misc.params;
 
 const INITIAL_BUTTON_LOAD = 30;
-const NUM_SYSTEM_BUTTONS = 3;
 
 const USER_DESKTOP_PATH = FileUtils.getUserDesktopDir();
 
@@ -1293,13 +1291,13 @@ class CinnamonMenuApplet extends Applet.TextIconApplet {
     }
 
     _updateShowIcons(container, show) {
-        Util.each(container.get_children(), c => {
+        container.get_children().forEach( c => {
             let b = c._delegate;
             if (!(b instanceof SimpleMenuItem))
                 return;
             if (b.icon)
                 b.icon.visible = show;
-        })
+        });
     }
 
     _onBoxResized(width, height) {
@@ -1317,11 +1315,12 @@ class CinnamonMenuApplet extends Applet.TextIconApplet {
 
     _updateKeybinding() {
         Main.keybindingManager.addHotKey("overlay-key-" + this.instance_id, this.overlayKey, Lang.bind(this, function() {
-            if (!Main.overview.visible && !Main.expo.visible)
+            if (!Main.overview.visible && !Main.expo.visible) {
                 if (this.forceShowPanel && !this.isOpen) {
                     this.panel.peekPanel();
                 }
                 this.menu.toggle_with_options(this.enableAnimation);
+            }
         }));
     }
 
@@ -2449,7 +2448,7 @@ class CinnamonMenuApplet extends Applet.TextIconApplet {
         let recents = this.RecentManager._infosByTimestamp.filter(info => !info.name.startsWith("."));
         if (recents.length > 0) {
             this.noRecentDocuments = false;
-            Util.each(recents, (info) => {
+            recents.forEach( info => {
                 let button = new RecentButton(this, info);
                 this._recentButtons.push(button);
                 this.applicationsBox.add_actor(button.actor);
@@ -2516,7 +2515,7 @@ class CinnamonMenuApplet extends Applet.TextIconApplet {
             this.categoriesBox.add_actor(this.favoriteDocsButton.actor);
         }
 
-        Util.each(favorite_infos, (info) => {
+        favorite_infos.forEach( info => {
             let button = new FavoriteButton(this, info);
             this._favoriteDocButtons.push(button);
             this.applicationsBox.add_actor(button.actor);
@@ -2549,7 +2548,7 @@ class CinnamonMenuApplet extends Applet.TextIconApplet {
         let [apps, dirs] = AppUtils.getApps();
 
         // generate all category buttons from top-level directories
-        Util.each(dirs, (d) => {
+        dirs.forEach( d => {
             let categoryButton = new CategoryButton(this, d.get_menu_id(), d.get_name(), d.get_icon());
             this._categoryButtons.push(categoryButton);
             this.categoriesBox.add_actor(categoryButton.actor);
@@ -2906,7 +2905,7 @@ class CinnamonMenuApplet extends Applet.TextIconApplet {
                 this.orderDirty = false;
             }
 
-            Util.each(this.applicationsBox.get_children(), c => {
+            this.applicationsBox.get_children().forEach( c => {
                 let b = c._delegate;
                 if (!(b instanceof SimpleMenuItem))
                     return;
@@ -2922,7 +2921,7 @@ class CinnamonMenuApplet extends Applet.TextIconApplet {
         } else {
             this.orderDirty = true;
 
-            Util.each(this.applicationsBox.get_children(), c => {
+            this.applicationsBox.get_children().forEach( c => {
                 let b = c._delegate;
                 if (!(b instanceof SimpleMenuItem))
                     return;
@@ -2958,7 +2957,7 @@ class CinnamonMenuApplet extends Applet.TextIconApplet {
         this._searchProviderButtons = [];
 
         if (autoCompletes) {
-            Util.each(autoCompletes, item => {
+            autoCompletes.forEach( item => {
                 let button = new TransientButton(this, item);
                 this._transientButtons.push(button);
                 this.applicationsBox.add_actor(button.actor);