Zabbix

.........T [ZBX-19253] removed ICMP checks, moved items to another application, changed update interval, added "Discard with heartbeat" preprocessing in APC UPS templates

Merge in ZBX/zabbix from feature/ZBX-19253-5.2 to release/5.2

* commit '5d0741d9fc33accc916da2b9eaa977c233afe13f':
  .........T [ZBX-19253] changed update interval to 1h for the "External battery packs count" item
  .........T [ZBX-19253] removed ICMP checks, moved items to another application, changed update interval, added "Discard with heartbeat" preprocessing in APC UPS templates