remove unused cucumber-rails gem

Gemfile

@@ -49,7 +49,6 @@ group :test, :development do
   gem "rspec-rails", "~> 2.8"
   gem "factory_girl_rails", "~> 1.6"
   gem "capybara", "~> 1.1"
-  gem "cucumber-rails", "~> 1.2"
   gem "database_cleaner", "~> 0.7.1"
   gem "timecop", "= 0.3.5"
   gem "shoulda-matchers", "~> 1.0.0"

Gemfile.lock

@@ -50,16 +50,6 @@ GEM
       execjs
     coffee-script-source (1.2.0)
     columnize (0.3.6)
-    cucumber (1.1.5)
-      builder (>= 2.1.2)
-      diff-lcs (>= 1.1.2)
-      gherkin (~> 2.8.0)
-      json (>= 1.4.6)
-      term-ansicolor (>= 1.0.6)
-    cucumber-rails (1.2.1)
-      capybara (>= 1.1.2)
-      cucumber (>= 1.1.3)
-      nokogiri (>= 1.5.0)
     database_cleaner (0.7.1)
     diff-lcs (1.1.3)
     erubis (2.7.0)
@@ -71,8 +61,6 @@ GEM
       factory_girl (~> 2.6.0)
       railties (>= 3.0.0)
     ffi (1.0.11)
-    gherkin (2.8.0)
-      json (>= 1.4.6)
     hike (1.2.1)
     i18n (0.6.0)
     ipaddress (0.8.0)
@@ -155,7 +143,6 @@ GEM
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     sqlite3 (1.3.5)
-    term-ansicolor (1.0.7)
     thor (0.14.6)
     tilt (1.3.3)
     timecop (0.3.5)
@@ -177,7 +164,6 @@ DEPENDENCIES
   authlogic (~> 3.1.0)
   capybara (~> 1.1)
   coffee-rails (~> 3.2.1)
-  cucumber-rails (~> 1.2)
   database_cleaner (~> 0.7.1)
   factory_girl_rails (~> 1.6)
   ipaddress (~> 0.8.0)