Revert BB 27604 patch as not needed anymore

🔍 Bugzilla Audit

Bugzilla: https://bugzilla.mozilla.org/show_bug.cgi?id=1429838

Commit: 9d8cf4a1

Description

At a certain point, we worked on a patch that upstream didn't like.

However, now that they closed this, we might be able to drop one of our patches 🎉.

---