use ctx instead of remotes
use ctx instead of remotes

Signed-off-by: Alfredo Deza <3ae498813ac9b6992b3bb72690656738fc9b4e19@inktank.com>

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