Schedule the invalid vbucket table remover for the sqlite backend
Schedule the invalid vbucket table remover for the sqlite backend

This change was committed into 1.7.2, but omitted in merging 1.7.2
into 2.0 branch and resolving conflicts.

Change-Id: I6691081d369b446e79bb078cae1405783500d4a1
Reviewed-on: http://review.couchbase.org/10663
Reviewed-by: Chiyoung Seo <8b279095f11c26cc21045fda5a3e51debb005aa9@gmail.com>
Tested-by: Chiyoung Seo <8b279095f11c26cc21045fda5a3e51debb005aa9@gmail.com>

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