jenkins: revert access log rotation

The logrotate script from upstream sends an ALRM signal which kills
Jenkins :(  Additionally the pidfile points to `daemon` pid instead of
jenkins one.

The init script needs to be rewritten and we have to find out a way
to reload Jenkins fastly.

Change-Id: Iabd0083853a82f96f1d96e2f8401551b22f7e6ce
Merge "jenkins: revert access log rotation" into production