DEV: Remove autospec hacks for social auth providers

This was causing erratic test failures. Autospec continues to work after
removing, so this 5-year-old code is no longer needed.

spec/components/auth/facebook_authenticator_spec.rb

@@ -1,11 +1,5 @@
 require 'rails_helper'
 
-# In the ghetto ... getting the spec to run in autospec
-#  thing is we need to load up all auth really early pre-fork
-#  it means that the require is not going to get a new copy
-Auth.send(:remove_const, :FacebookAuthenticator)
-load 'auth/facebook_authenticator.rb'
-
 describe Auth::FacebookAuthenticator do
 
   context 'after_authenticate' do

spec/components/auth/google_oauth2_authenticator_spec.rb

@@ -1,9 +1,5 @@
 require 'rails_helper'
 
-# For autospec:
-Auth.send(:remove_const, :GoogleOAuth2Authenticator)
-load 'auth/google_oauth2_authenticator.rb'
-
 describe Auth::GoogleOAuth2Authenticator do
 
   it 'does not look up user unless email is verified' do

spec/components/auth/open_id_authenticator_spec.rb

@@ -1,11 +1,5 @@
 require 'rails_helper'
 
-# In the ghetto ... getting the spec to run in autospec
-#  thing is we need to load up all auth really early pre-fork
-#  it means that the require is not going to get a new copy
-Auth.send(:remove_const, :OpenIdAuthenticator)
-load 'auth/open_id_authenticator.rb'
-
 describe Auth::OpenIdAuthenticator do
 
   it "can lookup pre-existing user if trusted" do