Update global-services.adoc

guide/sections/part2/global-services.adoc

@@ -152,8 +152,7 @@ In WIS2 Global Caches provide access to WMO core data for data consumers. This a
 * A Global Cache shall provide the metric defined in this Guide at an HTTP endpoint
 * A Global Cache should make sure that data is downloaded in parallel and downloads are not blocking each other
 
-* The metric ``wmo_wis2_gc_dataserver_status_flag`` will reflect the status of the connection to the download endpoint of the Centre. Its value will be 1 when the endpoint is up and 0 otherwise.
-* The metric ``wmo_wis2_gc_last_metadata`` will reflect the datetime (in RFC3339 format) of the last metadata resource processed by a given centre.
+* The metric ``wmo_wis2_gc_dataserver_status_flag`` will reflect the status of the connection to the download endpoint of the Centre. Its' value will be 1 when the endpoint is up and 0 otherwise.
 
 ==== 2.7.5 Global Discovery Catalogue