Removed unused helper.

git-svn-id: http://svn.redmine.org/redmine/trunk@13698 e93f8b46-1217-0410-a6f0-8f06a7374b81
Removed unused helper.

git-svn-id: http://svn.redmine.org/redmine/trunk@13699 e93f8b46-1217-0410-a6f0-8f06a7374b81