ceph_manager: reset osd weights to 1 when waiting for clean
ceph_manager: reset osd weights to 1 when waiting for clean

If we leave the weights adjusted, we can get PGs stuck in a remapped state
because we are probabilistically rejecting placement.  Avoid this by
setting on in osds to 1.0 before waiting for clean.

Signed-off-by: Sage Weil <6dd34506bbd5e58221bbb3e4732d97c91f02277b@inktank.com>

ktdreyer/teuthology,yghannam/teuthology,yghannam/teuthology,robbat2/teuthology,dmick/teuthology,tchaikov/teuthology,caibo2014/teuthology,caibo2014/teuthology,ktdreyer/teuthology,t-miyamae/teuthology,ceph/teuthology,dmick/teuthology,ivotron/teuthology,michaelsevilla/teuthology,t-miyamae/teuthology,michaelsevilla/teuthology,zhouyuan/teuthology,ivotron/teuthology,dreamhost/teuthology,ceph/teuthology,SUSE/teuthology,robbat2/teuthology,dreamhost/teuthology,SUSE/teuthology,tchaikov/teuthology,zhouyuan/teuthology,SUSE/teuthology,dmick/teuthology