Revert "workaround restart hkeeping issue of debian8"
Revert "workaround restart hkeeping issue of debian8"

This reverts commit 1e427258c9e44bf591ebdc2df65518d34c28bac5.
We don't need blue job result, we need the problem is fixed.

Signed-off-by: Amos Kong <amos@scylladb.com>

Conflicts:
	scylla-artifacts.py

scylladb/scylla-artifact-tests,scylladb/scylla-artifact-tests