patched gnome-shell build (archlinux package) to disable sounds

Jan Alexander Steffens 30de3c16e4 43.0-2: do not touch global git config %!s(int64=3) %!d(string=hai) anos
PKGBUILD 30de3c16e4 43.0-2: do not touch global git config %!s(int64=3) %!d(string=hai) anos