MB-30800 discard on read timeout errors
MB-30800 discard on read timeout errors

Change-Id: Ib925c14980d2fdbe0099abde885cff0d9cdc6372
Reviewed-on: http://review.couchbase.org/c/go-couchbase/+/145833
Reviewed-by: Sitaram Vemulapalli <8d86a491dcdf321bac78bef141a8229a59bf9211@couchbase.com>
Tested-by: Donald Haggart <693a38fcefea567bb88741c142b12e19c9ef6b34@couchbase.com>

couchbase/go-couchbase