remove Gemfile.lock from repo

.gitignore

@@ -21,3 +21,5 @@
 
 # Ignore changes on the application config.
 /config/gitlab.yml
+
+Gemfile.lock

Gemfile.lock

@@ -1,161 +0,0 @@
-GEM
-  remote: https://rubygems.org/
-  specs:
-    actionmailer (4.2.6)
-      actionpack (= 4.2.6)
-      actionview (= 4.2.6)
-      activejob (= 4.2.6)
-      mail (~> 2.5, >= 2.5.4)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.6)
-      actionview (= 4.2.6)
-      activesupport (= 4.2.6)
-      rack (~> 1.6)
-      rack-test (~> 0.6.2)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (4.2.6)
-      activesupport (= 4.2.6)
-      builder (~> 3.1)
-      erubis (~> 2.7.0)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    activejob (4.2.6)
-      activesupport (= 4.2.6)
-      globalid (>= 0.3.0)
-    activemodel (4.2.6)
-      activesupport (= 4.2.6)
-      builder (~> 3.1)
-    activerecord (4.2.6)
-      activemodel (= 4.2.6)
-      activesupport (= 4.2.6)
-      arel (~> 6.0)
-    activesupport (4.2.6)
-      i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
-      tzinfo (~> 1.1)
-    arel (6.0.3)
-    binding_of_caller (0.7.2)
-      debug_inspector (>= 0.0.1)
-    builder (3.2.2)
-    byebug (8.2.2)
-    coffee-rails (4.1.1)
-    coffee-script (2.4.1)
-      coffee-script-source
-      execjs
-    coffee-script-source (1.10.0)
-    concurrent-ruby (1.0.1)
-    debug_inspector (0.0.2)
-    erubis (2.7.0)
-    execjs (2.6.0)
-    globalid (0.3.6)
-    i18n (0.7.0)
-    jbuilder (2.4.1)
-      activesupport (>= 3.0.0, < 5.1)
-      multi_json (~> 1.2)
-    jquery-rails (4.1.1)
-      rails-dom-testing (>= 1, < 3)
-      railties (>= 4.2.0)
-      thor (>= 0.14, < 2.0)
-    json (1.8.3)
-    kgio (2.10.0)
-    loofah (2.0.3)
-      nokogiri (>= 1.5.9)
-    mail (2.6.4)
-      mime-types (>= 1.16, < 4)
-    mime-types (3.0)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0221)
-    minitest (5.8.4)
-    multi_json (1.11.2)
-    nokogiri (1.6.7.2)
-    rack (1.6.4)
-    rack-test (0.6.3)
-      rack (>= 1.0)
-    rails (4.2.6)
-      actionmailer (= 4.2.6)
-      actionpack (= 4.2.6)
-      actionview (= 4.2.6)
-      activejob (= 4.2.6)
-      activemodel (= 4.2.6)
-      activerecord (= 4.2.6)
-      activesupport (= 4.2.6)
-      bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.6)
-      sprockets-rails
-    rails-deprecated_sanitizer (1.0.3)
-      activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.7)
-      activesupport (>= 4.2.0.beta, < 5.0)
-      nokogiri (~> 1.6.0)
-      rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
-    railties (4.2.6)
-      actionpack (= 4.2.6)
-      activesupport (= 4.2.6)
-      rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
-    raindrops (0.16.0)
-    rake (11.1.2)
-    rdoc (4.2.2)
-      json (~> 1.4)
-    sass (3.4.21)
-    sass-rails (5.0.4)
-    sdoc (0.4.1)
-      json (~> 1.7, >= 1.7.7)
-      rdoc (~> 4.0)
-    spring (1.6.4)
-    sprockets (3.5.2)
-      concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
-    sprockets-rails (3.0.4)
-      actionpack (>= 4.0)
-      activesupport (>= 4.0)
-      sprockets (>= 3.0.0)
-    sqlite3 (1.3.11)
-    thor (0.19.1)
-    thread_safe (0.3.5)
-    tilt (2.0.2)
-    turbolinks (2.5.3)
-      coffee-rails
-    tzinfo (1.2.2)
-      thread_safe (~> 0.1)
-    uglifier (3.0.0)
-      execjs (>= 0.3.0, < 3)
-    unicorn (5.0.1)
-      kgio (~> 2.6)
-      rack
-      raindrops (~> 0.7)
-    web-console (2.3.0)
-      activemodel (>= 4.0)
-      binding_of_caller (>= 0.7.2)
-      railties (>= 4.0)
-      sprockets-rails (>= 2.0, < 4.0)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  byebug
-  coffee-rails (~> 4.1.0)
-  coffee-script (~> 2.4)
-  jbuilder (~> 2.0)
-  jquery-rails
-  rails (= 4.2.6)
-  sass (~> 3.4)
-  sass-rails (~> 5.0)
-  sdoc (~> 0.4.0)
-  spring
-  sqlite3
-  tilt (~> 2.0)
-  turbolinks
-  uglifier (>= 1.3.0)
-  unicorn
-  web-console (~> 2.0)
-  mini_portile2
-
-BUNDLED WITH
-   1.11.2