cleanup: remove extraneous semi-colons and tabs

appIcons.js

@@ -579,7 +579,7 @@ export const TaskbarAppIcon = GObject.registerClass({
             let highlightMargin = this._focusedIsWide ? SETTINGS.get_int('dot-size') : 0;
 
             if(!this.window) {
-                let containerWidth = this._dtpIconContainer.get_width() / Utils.getScaleFactor();;
+                let containerWidth = this._dtpIconContainer.get_width() / Utils.getScaleFactor();
                 let backgroundSize = containerWidth + "px " + 
                                      (containerWidth - (pos == DOT_POSITION.BOTTOM ? highlightMargin : 0)) + "px;";
 
@@ -1495,7 +1495,7 @@ export class TaskbarSecondaryMenu extends AppMenu.AppMenu {
         Mainloop.idle_add(() => 
             windows.forEach((w) => !!w.get_compositor_private() && w.delete(time++)))
     }
-};
+}
 
 /**
  * This function is used for extendDashItemContainer
@@ -1567,7 +1567,7 @@ export function ItemShowLabel() {
         time: duration,
         transition: 'easeOutQuad',
     });
-};
+}
 
 /**
  * A wrapper class around the ShowAppsIcon class.

prefs.js

@@ -151,7 +151,7 @@ function mergeObjects(main, bck) {
     }
 
     return main;
-};
+}
 
 const Preferences = class {
 

progress.js

@@ -280,7 +280,7 @@ export class AppProgress extends EventEmitter {
             }
         }
     }
-};
+}
 
 
 export const ProgressIndicator = class {

taskbar.js

@@ -67,7 +67,7 @@ const T3 = 'resetHoverTimeout'
 
 export function extendDashItemContainer(dashItemContainer) {
     dashItemContainer.showLabel = AppIcons.ItemShowLabel;
-};
+}
 
 const iconAnimationSettings = {
     _getDictValue(key) {
@@ -308,9 +308,9 @@ export const Taskbar = class extends EventEmitter {
                 }
             ],
             [
-           	    this._appSystem,
-           	    'app-state-changed',
-          	    this._queueRedisplay.bind(this)
+                this._appSystem,
+                'app-state-changed',
+                this._queueRedisplay.bind(this)
             ],
             [
                 AppFavorites.getAppFavorites(),