dropped mc_couch_events

Because capi_set_view_manager was it's only user and it's not using it
anymore.

Change-Id: I3b0e17d7b66e5cc6b51dcd9d4898a3809f838dfb
Reviewed-on: http://review.couchbase.org/35752
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>