databases/timescaledb: invert TSL/APACHE_ONLY option

Invert the APACHEONLY negative option to TSL positive option per mat.

Fix pkg-message replacement issue reported by Giacomo Olgeni.

Reported by: mat (option inversion), Giacomo Olgeni (pkg-message)
Approved by: timur (mentor)
Sponsored by: BBOX.io
Differential Revision: https://reviews.freebsd.org/D19079