graphics/gnome-color-manager: drop unused Meson options after 9ff5ddc73c00

meson.build:1:0: ERROR: Unknown options: "exiv, packagekit"

https://gitlab.gnome.org/GNOME/gnome-color-manager/-/commit/5a1bf35e30ff

PR: 259080
Reported by: antoine (via exp-run)
Regressed by: https://github.com/mesonbuild/meson/commit/dbf2ace6ca1c