Issue #2981825 by jorgvloet: Notice: Undefined index: revision_id and Notice: Undefined index: rev_id_current when exporting custom blocks

Revert "git commit -m 'Issue #2943053 by awolfey: Patch for link attributes Full import' --author="awolfey <awolfey@277371.no-reply.drupal.org>""

This reverts commit da8ab8f2.

git commit -m 'Issue #2943053 by awolfey: Patch for link attributes Full import' --author="awolfey <awolfey@277371.no-reply.drupal.org>"

Stefan Butura authored Feb 06, 2018 and Tim Kruijsen committed Feb 06, 2018

Issue #2937999 by stefan.butura: Integration with menu_link_attributes (does not preserve attributes)

This reverts commit 3bca641e.