delete kv pair from ns_config_ets_dup if the value is updated with
delete kv pair from ns_config_ets_dup if the value is updated with

... delete marker

Change-Id: Ie1622bd236ad57d94080560c403145de69b6ed72
Reviewed-on: http://review.couchbase.org/37010
Reviewed-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>

membase/ns_server,mschoch/ns_server,nimishzynga/ns_server,membase/ns_server,t3rm1n4l/ns_server,t3rm1n4l/ns_server,mschoch/ns_server,nimishzynga/ns_server,mschoch/ns_server,ceejatec/ns_server,mschoch/ns_server,ceejatec/ns_server,t3rm1n4l/ns_server,ceejatec/ns_server,ceejatec/ns_server,nimishzynga/ns_server,membase/ns_server,membase/ns_server,nimishzynga/ns_server,mschoch/ns_server,mschoch/ns_server,nimishzynga/ns_server,ceejatec/ns_server,nimishzynga/ns_server,membase/ns_server,ceejatec/ns_server,membase/ns_server,t3rm1n4l/ns_server,t3rm1n4l/ns_server