Removed unused helpers.

git-svn-id: http://svn.redmine.org/redmine/trunk@13539 e93f8b46-1217-0410-a6f0-8f06a7374b81
Code cleanup, #roadmap no longer exists.

git-svn-id: http://svn.redmine.org/redmine/trunk@13540 e93f8b46-1217-0410-a6f0-8f06a7374b81