tweak defaults (#1140)
tweak defaults (#1140)

- don't differentiate between channels
- both can be made inactive
   - webcompat requires user action: and I don't see this as a bad thing to have in non-stable
   - unsubmitted crashReports on Nightly is probably already covered by killing the URL, so no big deal
ghacksuserjs/ghacks-user.js,ghacksuserjs/ghacks-user.js