packages: Don't build quotacheck if WITHOUT_QUOTAS=yes

PR: 294775
Fixes: bb75b0d581f7 ("packages: Convert world to a subdir build")
MFC after: 2 weeks
Reported by: Alastair Hogge <agh@riseup.net>
Sponsored by: https://www.patreon.com/bsdivy
Differential Revision: https://reviews.freebsd.org/D56635