remove unused GIT_INFO [ci skip]

config/initializers/git_info.rb

@@ -1,27 +0,0 @@
-#   Copyright (c) 2010-2011, Diaspora Inc.  This file is
-#   licensed under the Affero General Public License version 3 or later.  See
-#   the COPYRIGHT file.
-
-unless ENV['HEROKU']
-  s = `git show --name-only 2>/dev/null || :`
-  if (s.nil? or s.empty?)
-       path =  File.expand_path("config/gitversion")
-       begin
-           if (File.exists?( path))
-               s = ''
-               f = File.open( path)
-               f.each_line do |line|
-                   s += line
-               end
-               f.close
-           end
-       rescue
-           s = ""
-       end
-  end
-  GIT_INFO = s
-  # What's the scope of this s? Leave to GC just in case...
-  s = nil
-else
-  GIT_INFO = nil
-end