Removed unused function.

git-svn-id: http://yate.null.ro/svn/yate/trunk@5899 acf43c95-373e-0410-b603-e72c3f656dc1
Removed unused function.

git-svn-id: http://yate.null.ro/svn/yate/trunk@5900 acf43c95-373e-0410-b603-e72c3f656dc1