Remove rails-footnotes gem and its related files

.rails_footnotes

-#this code temporarily disables notes for all controllers
-# Footnotes::Filter.notes = []
-

Gemfile

@@ -93,7 +93,6 @@ end
 
 group :development do
   gem "letter_opener"
-  gem "rails-footnotes"
   gem "annotate", :git => "https://github.com/ctran/annotate_models.git"
   gem 'rack-mini-profiler'
 end

Gemfile.lock

@@ -259,8 +259,6 @@ GEM
       activesupport (= 3.2.8)
       bundler (~> 1.0)
       railties (= 3.2.8)
-    rails-footnotes (3.7.8)
-      rails (>= 3.0.0)
     railties (3.2.8)
       actionpack (= 3.2.8)
       activesupport (= 3.2.8)
@@ -417,7 +415,6 @@ DEPENDENCIES
   pygments.rb!
   rack-mini-profiler
   rails (= 3.2.8)
-  rails-footnotes
   raphael-rails (= 1.5.2)
   redcarpet (~> 2.1.1)
   resque (~> 1.20.0)

config/initializers/rails_footnotes.rb

-#if defined?(Footnotes) && Rails.env.development?
-  #Footnotes.run! # first of all
-#end