[9.18] deprecate resolver-retry-interval and resolver-nonbackoff-tries
these options control default timing of retries in the resolver for experimental purposes; they are not known to useful in production environments. they will be removed in the future; for now, we only log a warning if they are used.
(cherry picked from commit 4aaa4f7d)
Backport of MR !8448 (merged)
Edited by Evan Hunt