Don't abort on upr noop functions
Don't abort on upr noop functions

These are getting called by a background task and causing crashes.
Let's just remove the aborts, but leave a comment that we will
implement those functions later.

Change-Id: I232af2e06afc9dd142680188178743bb0fc20d8f
Reviewed-on: http://review.couchbase.org/31235
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

daverigby/ep-engine,owendCB/ep-engine,teligent-ru/ep-engine,sriganes/ep-engine,membase/ep-engine,teligent-ru/ep-engine,owendCB/ep-engine,hisundar/ep-engine,sriganes/ep-engine,jimwwalker/ep-engine,daverigby/ep-engine,daverigby/kv_engine,hisundar/ep-engine,couchbase/ep-engine,sriganes/ep-engine,daverigby/ep-engine,jimwwalker/ep-engine,jimwwalker/ep-engine,membase/ep-engine,hisundar/ep-engine,couchbase/ep-engine,daverigby/ep-engine,daverigby/kv_engine,daverigby/kv_engine,hisundar/ep-engine,teligent-ru/ep-engine,jimwwalker/ep-engine,owendCB/ep-engine,couchbase/ep-engine,teligent-ru/ep-engine,owendCB/ep-engine,membase/ep-engine,daverigby/kv_engine,sriganes/ep-engine,couchbase/ep-engine,membase/ep-engine