- remove fixed patch
- remove enable e10s line in pref.js, is built-in now
- switch to mach build method
- update pgo-fix-kde.patch
- add new locale, ne-NP Nepali
- use Arch/Gentoo approach on mozconfig
- remove *.js while generate them in PKGBUILD directly
- remove fixed patch for various bug (see previous commit)
- disable stylo by default (won't compile even without system nss/nspr)