Kill trailing whitespaces in javascript files

app/assets/javascripts/pools.js

@@ -1,19 +1,19 @@
 (function() {
   Danbooru.Pool = {};
-  
+
   Danbooru.Pool.initialize_all = function() {
     if ($("#c-posts").length && $("#a-show").length) {
       this.initialize_add_to_pool_link();
     }
-    
+
     if ($("#c-pool-orders").length) {
       this.initialize_simple_edit();
     }
   }
-  
+
   Danbooru.Pool.initialize_add_to_pool_link = function() {
     $("#add-to-pool-dialog").dialog({autoOpen: false});
-    
+
     $("#c-pool-elements #a-new input[type=text]").autocomplete({
       source: function(req, resp) {
         $.getJSON(
@@ -25,24 +25,24 @@
       },
       minLength: 2,
     });
-    
+
     $("#pool").click(function(e) {
       e.preventDefault();
       $("#add-to-pool-dialog").dialog("open");
     });
-    
+
     $("#recent-pools li").click(function(e) {
       e.preventDefault();
       $("#pool_name").val($(this).html());
     });
   }
-  
+
   Danbooru.Pool.initialize_simple_edit = function() {
     $("#sortable").sortable({
       placeholder: "ui-state-placeholder"
     });
     $("#sortable").disableSelection();
-    
+
     $("#ordering-form").submit(function(e) {
       $.ajax({
         type: "put",