remove unused fb_config.yml files. removed oauth_keys.yml from git, updated .example"

config/fb_config.yml

-fb_api_key: {dcf4e90df086cf6d3e531b31e043ff32}
-fb_secret: {7fe864834726f8a5e65bc93928b99a53}
-fb_app_id: {120373411325347}
-host: http://localhost:3000/

config/fb_config.yml.example

-fb_api_key: {key}
-fb_secret: {secret}
-fb_app_id: {app_id}
-host: http://localhost:3000/

config/initializers/_load_services.rb

@@ -10,6 +10,7 @@ oauth_keys_file = "#{Rails.root}/config/oauth_keys.yml"
 
 if File.exist? oauth_keys_file
   SERVICES = load_config_yaml(oauth_keys_file)
-  SERVICES ||= load_config_yaml("#{oauth_keys_file}.example")
 end
 
+SERVICES ||= load_config_yaml("#{oauth_keys_file}.example")
+

config/oauth_keys.yml

-twitter:
-  consumer_key: no69jTnL5SCOnWgk5XWqbQ
-  consumer_secret: 2DZyu8DA43AIeFsRVdz8OtAHLvCtPjdRKdNO3UZGqWM
-facebook:
-  app_id: 120373411325347
-  app_secret: 7fe864834726f8a5e65bc93928b99a53

config/oauth_keys.yml.example

 twitter:
   consumer_key: ""
   consumer_secret: ""
+facebook:
+  app_id: ""
+  app_secret: ""