This reverts commit e509b8065d.
Seems like we need to keep the original fix after all, since we are
getting the same signing error again:
Brave Browser Nightly.app: nested code is modified or invalid
Brave Browser Nightly.app/Contents/Frameworks/Brave Browser Nightly Framework.framework
file modified: Brave Browser Nightly.app/Contents/Frameworks/Brave Browser Nightly Framework.framework/Versions/Current/Helpers/Brave Browser Nightly Helper (Alerts).app
Fixesbrave/brave-browser#18099