Revert simplistic fix pending revisit of Mozilla integration attempt.
1 . "$topsrcdir/build/mozconfig.win-common"
2 MOZ_AUTOMATION_L10N_CHECK=0
3 MOZ_AUTOMATION_UPLOAD=0
4 . "$topsrcdir/browser/config/mozconfigs/win32/debug"
6 ac_add_options --disable-unified-compilation