Remove unnecessary initialization in CouchKVStore::open()
Remove unnecessary initialization in CouchKVStore::open()

In CouchKVStore::open() function, intransaction is initialized
to false. This isn't necessary because it has already been
initialized to false in the constructors

Change-Id: Idd0a3a105b284be37a97bdaa8afe85ab8a982000
Reviewed-on: http://review.couchbase.org/48706
Tested-by: Sriram Ganesan <fde85c3124eed34938bb85159f430bf7e5b650f6@couchbase.com>
Reviewed-by: abhinav dangeti <d73ef2279de6577f7bf081737ee47554bbb7dc82@couchbase.com>

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