Revert "Issue #2811519 by tim.plunkett, dbourrion, cilefen, futurmat: Blocks...

Revert "Issue #2811519 by tim.plunkett, dbourrion, cilefen, futurmat: Blocks do not appear after being placed with the Rules module enabled (or other missing schemata for Condition plugins)"

This reverts commit ed3202c3.