[Build] Remove unused variables

...to satisfy JSHint

platform/representation/src/MCTRepresentation.js

@@ -53,8 +53,7 @@ define(
          * @param {ViewDefinition[]} views an array of view extensions
          */
         function MCTRepresentation(representations, views, representers, $q, templateLinker, $log) {
-            var representationMap = {},
-                gestureMap = {};
+            var representationMap = {};
 
             // Assemble all representations and views
             // The distinction between views and representations is
@@ -82,7 +81,7 @@ define(
                 }
             }
 
-            function link($scope, element, attrs, ctrl, transclude) {
+            function link($scope, element, attrs) {
                 var activeRepresenters = representers.map(function (Representer) {
                         return new Representer($scope, element, attrs);
                     }),

platform/representation/src/TemplatePrefetcher.js

@@ -31,7 +31,7 @@ define(
          * @param {...Array.<{templateUrl: string}>} extensions arrays
          *        of template or template-like extensions
          */
-        function TemplatePrefetcher(templateLinker, extensions) {
+        function TemplatePrefetcher(templateLinker) {
             Array.prototype.slice.apply(arguments, [1])
                 .reduce(function (a, b) {
                     return a.concat(b);

platform/representation/src/gestures/ContextMenuGesture.js

@@ -91,7 +91,7 @@ define(
                 });
 
                 // Whenever the touch event ends, 'isPressing' is false.
-                element.on('touchend', function (event) {
+                element.on('touchend', function () {
                     isPressing = false;
                 });
             }

platform/representation/src/gestures/DropGesture.js

@@ -71,13 +71,6 @@ define(
                 }
             }
 
-            function canCompose(domainObject, selectedObject){
-                return domainObject.getCapability("action").getActions({
-                    key: 'compose',
-                    selectedObject: selectedObject
-                }).length > 0;
-            }
-
             function dragOver(e) {
                 //Refresh domain object on each dragOver to catch external
                 // updates to the model
@@ -121,7 +114,7 @@ define(
                 // destination domain object's composition, and persist
                 // the change.
                 if (id) {
-                    $q.when(action && action.perform()).then(function (result) {
+                    $q.when(action && action.perform()).then(function () {
                         //Don't go into edit mode for folders
                         if (domainObjectType!=='folder') {
                             editableDomainObject.getCapability('action').perform('edit');