Remove therubyracer

Gemfile

@@ -56,8 +56,6 @@ gem 'coffee-rails'
 
 gem 'compass-rails'
 gem 'uglifier'
-gem 'therubyracer', platforms: [:mri, :rbx]
-gem 'therubyrhino', platforms: :jruby
 
 gem 'rails-assets-notifyjs', '0.4.2', path: 'vendor/gems/rails-assets-notifyjs-0.4.2'
 

Gemfile.lock

@@ -220,7 +220,6 @@ GEM
       kaminari-core (= 1.2.1)
     kaminari-core (1.2.1)
     key_struct (0.4.2)
-    libv8 (3.16.14.19)
     localeapp (2.1.1)
       gli
       i18n (~> 0.4)
@@ -383,7 +382,6 @@ GEM
       redis
     redis-store (1.6.0)
       redis (>= 2.2, < 5)
-    ref (2.0.0)
     responders (2.4.0)
       actionpack (>= 4.2.0, < 5.3)
       railties (>= 4.2.0, < 5.3)
@@ -556,9 +554,6 @@ GEM
       climate_control (>= 0.0.3, < 1.0)
     test_after_commit (1.1.0)
       activerecord (>= 3.2)
-    therubyracer (0.12.3)
-      libv8 (~> 3.16.14.15)
-      ref
     thin (1.5.1)
       daemons (>= 1.0.9)
       eventmachine (>= 0.12.6)
@@ -656,8 +651,6 @@ DEPENDENCIES
   state_machines-activerecord
   state_machines-graphviz
   test_after_commit
-  therubyracer
-  therubyrhino
   time_diff
   timecop
   uglifier