Revert "Merge pull request #115 from hufman/fix-radosgw-logdir"

This reverts commit 7826b8564b595f681a1ba360268e82ef5136a935, reversing
changes made to 4f9f3bcb415dea81bf2d3301ca6c9190926fd124.
Moves radosgw logs to /var/log/ceph

It looks like the package logrotate scripts expect them to be there