refactor(tabs): remove unused dependency injections

Closes #1009

Author: bekos

src/tabs/tabs.js

@@ -15,11 +15,9 @@ angular.module('ui.bootstrap.tabs', [])
   };
 })
 
-.controller('TabsetController', ['$scope', '$element',
-function TabsetCtrl($scope, $element) {
-
+.controller('TabsetController', ['$scope', function TabsetCtrl($scope) {
   var ctrl = this,
-    tabs = ctrl.tabs = $scope.tabs = [];
+      tabs = ctrl.tabs = $scope.tabs = [];
 
   ctrl.select = function(tab) {
     angular.forEach(tabs, function(tab) {
@@ -176,8 +174,7 @@ function TabsetCtrl($scope, $element) {
   </file>
 </example>
  */
-.directive('tab', ['$parse', '$http', '$templateCache', '$compile',
-function($parse, $http, $templateCache, $compile) {
+.directive('tab', ['$parse', function($parse) {
   return {
     require: '^tabset',
     restrict: 'EA',
@@ -262,7 +259,7 @@ function($parse, $http, $templateCache, $compile) {
   };
 }])
 
-.directive('tabContentTransclude', ['$compile', '$parse', function($compile, $parse) {
+.directive('tabContentTransclude', function() {
   return {
     restrict: 'A',
     require: '^tabset',
@@ -291,9 +288,9 @@ function($parse, $http, $templateCache, $compile) {
       node.tagName.toLowerCase() === 'data-tab-heading'
     );
   }
-}])
+})
 
-.directive('tabsetTitles', ['$http', function($http) {
+.directive('tabsetTitles', function() {
   return {
     restrict: 'A',
     require: '^tabset',
@@ -310,7 +307,4 @@ function($parse, $http, $templateCache, $compile) {
       }
     }
   };
-}])
-
-;
-
+});