Remove now unnecessary try/except/raise that came about as a result of the previous check-in.
Remove now unnecessary try/except/raise that came about as a result of
the previous check-in.

Fixes: #5803
Signed-off-by: Warren Usui <021fe6d8989d7bdb08c8700d8c426ea80a140097@inktank.com>

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