Revert "Merge branch 'sh-disable-rubygems' into 'master'"

This reverts commit a18c9012, reversing
changes made to 0a646241.

CHANGELOG

-v5.2.0
-  - Disable RubyGems to increase performance
-
 v5.1.1
   - Revert "Remove old `project` parameter, use `gl_repository` instead"
 

bin/authorized_keys

-#!/usr/bin/env ruby --disable-gems
+#!/usr/bin/env ruby
 
 #
 # GitLab shell authorized_keys. Query GitLab API to get the authorized command for a given ssh key fingerprint

bin/check

-#!/usr/bin/env ruby --disable-gems
+#!/usr/bin/env ruby
 
 require_relative '../lib/gitlab_init'
 require_relative '../lib/gitlab_net'

bin/create-hooks

-#!/usr/bin/env ruby --disable-gems
+#!/usr/bin/env ruby
 
 # Recreate GitLab hooks in the Git repositories managed by GitLab.
 #

bin/gitlab-keys

-#!/usr/bin/env ruby --disable-gems
+#!/usr/bin/env ruby
 
 require_relative '../lib/gitlab_init'
 

bin/gitlab-projects

-#!/usr/bin/env ruby --disable-gems
+#!/usr/bin/env ruby
 
 
 require_relative '../lib/gitlab_init'

bin/gitlab-shell

-#!/usr/bin/env ruby --disable-gems
+#!/usr/bin/env ruby
 
 unless ENV['SSH_CONNECTION']
   puts "Only ssh allowed"

bin/install

-#!/usr/bin/env ruby --disable-gems
+#!/usr/bin/env ruby
 
 require_relative '../lib/gitlab_init'
 

hooks/post-receive

-#!/usr/bin/env ruby --disable-gems
+#!/usr/bin/env ruby
 
 # This file was placed here by GitLab. It makes sure that your pushed commits
 # will be processed properly.

hooks/pre-receive

-#!/usr/bin/env ruby --disable-gems
+#!/usr/bin/env ruby
 
 # This file was placed here by GitLab. It makes sure that your pushed commits
 # will be processed properly.

hooks/update

-#!/usr/bin/env ruby --disable-gems
+#!/usr/bin/env ruby
 
 # This file was placed here by GitLab. It makes sure that your pushed commits
 # will be processed properly.