removing coffee-rails

Gemfile

@@ -18,7 +18,7 @@ gem 'sass-rails', '>= 5.0.6'
 # Use Uglifier as compressor for JavaScript assets
 # gem 'uglifier', '>= 1.3.0'
 # Use CoffeeScript for .coffee assets and views
-gem 'coffee-rails', '~> 4.2'
+# gem 'coffee-rails', '~> 4.2'
 # See https://github.com/rails/execjs#readme for more supported runtimes
 # gem 'therubyracer', platforms: :ruby
 

Gemfile.lock

@@ -57,13 +57,6 @@ GEM
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
     cliver (0.3.2)
-    coffee-rails (4.2.1)
-      coffee-script (>= 2.2.0)
-      railties (>= 4.0.0, < 5.2.x)
-    coffee-script (2.4.1)
-      coffee-script-source
-      execjs
-    coffee-script-source (1.12.2)
     concurrent-ruby (1.0.4)
     database_cleaner (1.5.3)
     debug_inspector (0.0.2)
@@ -242,7 +235,6 @@ DEPENDENCIES
   bootstrap (~> 4.0.0.alpha6)
   byebug
   capybara
-  coffee-rails (~> 4.2)
   database_cleaner
   devise
   friendly_id (~> 5.1.0)