Remove and ignore Gemfile.lock

.gitignore

 *.gem
+/Gemfile.lock

Gemfile

@@ -3,4 +3,4 @@ source "https://rubygems.org"
 gemspec
 gem 'rake'
-gem 'rspec'
+gem 'rspec', '~> 2.99'

Gemfile.lock

-PATH
-  remote: .
-  specs:
-    gitlab_emoji (0.3.0)
-      gemojione (~> 2.2, >= 2.2.1)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    diff-lcs (1.2.5)
-    gemojione (2.2.1)
-      json
-    json (1.8.3)
-    rake (10.5.0)
-    rspec (2.99.0)
-      rspec-core (~> 2.99.0)
-      rspec-expectations (~> 2.99.0)
-      rspec-mocks (~> 2.99.0)
-    rspec-core (2.99.2)
-    rspec-expectations (2.99.2)
-      diff-lcs (>= 1.1.3, < 2.0)
-    rspec-mocks (2.99.3)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  gitlab_emoji!
-  rake
-  rspec
-
-BUNDLED WITH
-   1.11.2