MB-11161: Remove "Indexer" from the stream name to make it shorter

Change-Id: I46f8e76a036bea4f69b1a25fc0101cea36a909cb
Reviewed-on: http://review.couchbase.org/37362
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Sarath Lakshman <sarath@couchbase.com>