Remove unused Blob New() method
Remove unused Blob New() method

Code cleanup - no-one uses this method so delete it.

Change-Id: I10df43e052a96832fe9b4c882be6a19497392d38
Reviewed-on: http://review.couchbase.org/42775
Reviewed-by: Sundararaman Sridharan <333a3f71d3ad6e01fc953c4fa06bc1f3cd014910@couchbase.com>
Reviewed-by: abhinav dangeti <d73ef2279de6577f7bf081737ee47554bbb7dc82@couchbase.com>
Tested-by: abhinav dangeti <d73ef2279de6577f7bf081737ee47554bbb7dc82@couchbase.com>

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