Revert "MB-9715: Fixed the upr api to allow for "pause""

This reverts commit 2979312d2a00c5a37b4fbefb582995b91b50d028.

Change-Id: I7496fb0171f255608263ab6317628acbbb900941
Reviewed-on: http://review.couchbase.org/31430
Reviewed-by: Michael Wiederhold <mike@couchbase.com>
Tested-by: Michael Wiederhold <mike@couchbase.com>