Remove afterRegisterFeatures hook

This reverts I53a2115d10131df58637d2cbf737401dfc6eddba
It's still referenced in TranslateSvg but AFAIK that has to be reimplemented
anyway for post-TUX interface.

Bug: 52541
Change-Id: I03583cee8ded5d41c0e8c06d691a0dd1a76712e9
Merge "Remove afterRegisterFeatures hook"