Disable two Memcached alerts

MemcachedServiceRespawn is delayed temporary duplicate for MemcachedServiceDown
MemcachedItemsNoneMinor is not an alert at all. Memcached might be empty.

Change-Id: I9742ea44884e37525d16cd534e3ba461701a88b7
Closes-Bug: PROD-27077
diff --git a/memcached/meta/prometheus.yml b/memcached/meta/prometheus.yml
index 0048ccc..dd7e586 100644
--- a/memcached/meta/prometheus.yml
+++ b/memcached/meta/prometheus.yml
@@ -13,6 +13,7 @@
         summary: "Memcached service is down"
         description: "The Memcached service on the {{ $labels.host }} node is down."
     MemcachedServiceRespawn:
+      enabled: False
       if: >-
 {%- endraw %}
         memcached_uptime < {{ monitoring.service_respawn_seconds_treshold }}
@@ -54,6 +55,7 @@
         summary: "Memcached has no open connections on all nodes"
         description: "The Memcached database has no open connections on all nodes."
     MemcachedItemsNoneMinor:
+      enabled: False
       if: >-
         memcached_curr_items == 0
       labels: