Kill trailing whitespace in ruby files

app/controllers/admin/alias_and_implication_imports_controller.rb

@@ -1,10 +1,10 @@
 module Admin
   class AliasAndImplicationImportsController < ApplicationController
     before_filter :admin_only
-    
+
     def new
     end
-    
+
     def create
       @importer = AliasAndImplicationImporter.new(params[:batch][:text], params[:batch][:forum_id])
       @importer.process!

app/controllers/admin/users_controller.rb

@@ -1,11 +1,11 @@
 module Admin
   class UsersController < ApplicationController
     before_filter :moderator_only
-    
+
     def edit
       @user = User.find(params[:id])
     end
-    
+
     def update
       @user = User.find(params[:id])
       @user.level = params[:user][:level]