Noticed when was looking into T64764, F7043663.
This is a weird case when proxy group is not a group, but is the
same as linked object.
Remove useless relation which was causing cycle, but had no functional
Can you explain the reasoning behind this?
It's not clear to me why this created a dependency cycles, or why it's valid to depend on TRANSFORM_EVAL without for example TRANSFORM_FINAL that sets ob->imat.
Result of pair programming with Brecht.