apache-frontend: Stop using apache frontend recipes, no more preconfiguration done by apache_frontend, raw apache config is given by master

apache-frontend: remove unused apache_frontend recipe

It seems the only tool supporting http://tools.ietf.org/html/rfc5861

Also improve overall quality.
(cherry picked from commit 7232c1e3409b65790d98d44467e4ef3739940478)

It prevents data loss while upgrading partition.

Because new s.r.templare requires new Jinja2.