Remove done and abandoned TODO entries.
Remove done and abandoned TODO entries.

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