Update UI build system

* Faster build times
* Smaller bundle sizes
* Adjust paths
* Cleanup npm dependencies
* Remove unneded Grunt tasks

awx/ui/client/lib/components/panel/body.directive.js

@@ -1,15 +1,15 @@
-function atPanelBody (pathService) {
+const templateUrl = require('@components/panel/body.partial.html');
+
+function atPanelBody () {
     return {
         restrict: 'E',
         replace: true,
         transclude: true,
-        templateUrl: pathService.getPartialPath('components/panel/body'),
+        templateUrl,
         scope: {
             state: '='
         }
     };
 }
 
-atPanelBody.$inject = ['PathService'];
-
 export default atPanelBody;

awx/ui/client/lib/components/panel/heading.directive.js

@@ -1,18 +1,18 @@
+const templateUrl = require('@components/panel/heading.partial.html');
+
 function link (scope, el, attrs, panel) {
     panel.use(scope);
 }
 
-function atPanelHeading (pathService) {
+function atPanelHeading () {
     return {
         restrict: 'E',
         require: '^^atPanel',
         replace: true,
         transclude: true,
-        templateUrl: pathService.getPartialPath('components/panel/heading'),
+        templateUrl,
         link
     };
 }
 
-atPanelHeading.$inject = ['PathService'];
-
 export default atPanelHeading;

awx/ui/client/lib/components/panel/panel.directive.js

@@ -1,3 +1,5 @@
+const templateUrl = require('@components/panel/panel.partial.html');
+
 function atPanelLink (scope, el, attrs, controllers) {
     let panelController = controllers[0];
 
@@ -26,13 +28,13 @@ function AtPanelController ($state) {
 
 AtPanelController.$inject = ['$state'];
 
-function atPanel (pathService, _$animate_) {
+function atPanel () {
     return {
         restrict: 'E',
         replace: true,
         require: ['atPanel'],
         transclude: true,
-        templateUrl: pathService.getPartialPath('components/panel/panel'),
+        templateUrl,
         controller: AtPanelController,
         controllerAs: 'vm',
         link: atPanelLink,
@@ -43,6 +45,4 @@ function atPanel (pathService, _$animate_) {
     };
 }
 
-atPanel.$inject = ['PathService'];
-
 export default atPanel;