Revert "Revert "Stop enabling g-reg by default""

This reverts commit 98f3bbe509c2de9efaf4f3fc1b5dbc42d7a67987.

This is no longer necessary as proper fix [1]
is now applied.

[1] https://review.opendev.org/703288

Change-Id: Ibc40f79b1daf30246ed24790e9b305caea497cb2
Related-bug: #1859847
Related-bug: #1860021
2 files changed