Removing last of controller dir

app/controllers/sortable.js

@@ -1,18 +0,0 @@
-import Ember from 'ember';
-
-export default Ember.ArrayController.extend({
-  queryParams: ['sortBy', 'sortAscending'],
-  sortAscending: true,
-  sortBy: null, // Set in subclass
-  // Make sortProperties computed so that we have a nice URL using sortBy
-  sortProperties: Ember.computed('sortBy', function() {
-    return [this.get('sortBy')];
-  }),
-  actions: {
-    setSortBy: function(fieldName) {
-      this.set('sortBy', fieldName);
-      this.toggleProperty('sortAscending');
-      return false;
-    }
-  }
-});

app/pods/species/index/controller.js

@@ -1,5 +0,0 @@
-import SortableController from '../../../controllers/sortable';
-
-export default SortableController.extend({
-  sortBy: 'speciesName',
-});