Removed default_idle_timeout
Removed default_idle_timeout

Fixes http://tracker.ceph.com/issues/21140

Signed-off-by: Yuri Weinstein <2d3be83596d8d7253481a1ecc6ad25d359d92c04@redhat.com>

dmick/teuthology,ceph/teuthology,ktdreyer/teuthology,SUSE/teuthology,dmick/teuthology,dmick/teuthology,ktdreyer/teuthology,ceph/teuthology,SUSE/teuthology,SUSE/teuthology