Also propagate moves/deletions from non-Wikibase enabled namespaces

Per discussion with Lydia: If we start with invalid data, but end up
with valid data there's no reason not to propagate the move. Same
goes for deletions.

Change-Id: I02ecfffa1c69b230171a89c44a7859ecba9eda3f
Merge "Also propagate moves/deletions from non-Wikibase enabled namespaces"