MB-12251: Remove prefix from View class

Remove the prefix where it made sense. You would normally use the
datasets name as a prefix for easier debugging.

Change-Id: I7f46d30afe4a8d9dd7004e5d8b6121bfbc31573b
Reviewed-on: http://review.couchbase.org/42605
Reviewed-by: Ketaki Gangal <ketakigangal@gmail.com>
Tested-by: buildbot <build@couchbase.com>