New comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/issues/40092#issuecomment-1287807991

Comment:
```meson
has_nm = not get_option('disable_networkmanager')
if has_nm
    # only ever used in *.js via gi import
    dependency('libnm')
endif
```

Just `ignorepkg`. There's no good in a build options.