Revert "MB-7797: Lower bgfetch sleep time for 60s to 1s"
Revert "MB-7797: Lower bgfetch sleep time for 60s to 1s"

This reverts commit 62717fadb0f59cf50396908845625a4142b4a44f.

Change-Id: Idc9c18e12bac55be552e4fd32baa5f839dc3b145
Reviewed-on: http://review.couchbase.org/24901
Reviewed-by: Michael Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>
Tested-by: Michael Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>

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