delete unnecessary files

app/assets/javascripts/users/omniauth_callbacks.js.coffee

-# Place all the behaviors and hooks related to the matching controller here.
-# All this logic will automatically be available in application.js.
-# You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/

app/assets/stylesheets/users/omniauth_callbacks.css.scss

-// Place all the styles related to the Users::OmniauthCallbacks controller here.
-// They will automatically be included in application.css.
-// You can use Sass (SCSS) here: http://sass-lang.com/

app/helpers/users/omniauth_callbacks_helper.rb

-module Users::OmniauthCallbacksHelper
-end

spec/controllers/users/omniauth_callbacks_controller_spec.rb

-require 'spec_helper'
-
-describe Users::OmniauthCallbacksController do
-
-end

spec/helpers/users/omniauth_callbacks_helper_spec.rb

-require 'spec_helper'
-
-# Specs in this file have access to a helper object that includes
-# the Users::OmniauthCallbacksHelper. For example:
-#
-# describe Users::OmniauthCallbacksHelper do
-#   describe "string concat" do
-#     it "concats two strings with spaces" do
-#       helper.concat_strings("this","that").should == "this that"
-#     end
-#   end
-# end
-describe Users::OmniauthCallbacksHelper do
-  pending "add some examples to (or delete) #{__FILE__}"
-end