Drop options=(debug)/options=('debug') from trunk

devtools 20230105-1 enables the debug option by default.

A follow-up commit will remove debug from alongside other options.

PKGBUILD

@@ -11,7 +11,6 @@ license=(GPL)
 depends=(libgtop gtkmm3 librsvg systemd libhandy polkit)
 makedepends=(meson yelp-tools git appstream-glib)
 groups=(gnome)
-options=(debug)
 _commit=c12390a98881add02d6457e4f84a32ca811685ec  # tags/42.0^0
 source=("git+https://gitlab.gnome.org/GNOME/gnome-system-monitor.git#commit=$_commit")
 sha256sums=('SKIP')