Remove usage of Colored

lib/tasks/gitlab/task_helpers.rake

@@ -2,16 +2,6 @@ module Gitlab
   class TaskAbortedByUserError < StandardError; end
 end
 
-unless STDOUT.isatty
-  module Colored
-    extend self
-
-    def colorize(string, options={})
-      string
-    end
-  end
-end
-
 namespace :gitlab do
 
   # Ask if the user wants to continue
@@ -103,7 +93,7 @@ namespace :gitlab do
       gitlab_user = Gitlab.config.gitlab.user
       current_user = run(%W(whoami)).chomp
       unless current_user == gitlab_user
-        puts "#{Colored.color(:black)+Colored.color(:on_yellow)} Warning #{Colored.extra(:clear)}"
+        puts " Warning ".colorize(:black).on_yellow
         puts "  You are running as user #{current_user.magenta}, we hope you know what you are doing."
         puts "  Things may work\/fail for the wrong reasons."
         puts "  For correct results you should run this as user #{gitlab_user.magenta}."