Revert "Removing handler object from array upon removal via 'untrackLink'"

This reverts commit 783a3d635db5912f1f9c64f65c744067fee22060.
Revert "Added 'untrackLink' methods to allow removal of click handlers from links previously set up with 'trackLink'"

This reverts commit 681f369b9ccb26be9632adfcd91bb8a2769b9bce.