[HA] disable HA but kvm agent still heartbeat check
[HA] disable HA but kvm agent still heartbeat check

for https://github.com/zxwing/premium/issues/403

mingjian2049/zstack-utility,live4thee/zstack-utility,live4thee/zstack-utility,zstackio/zstack-utility,live4thee/zstack-utility,zstackorg/zstack-utility,mingjian2049/zstack-utility,zstackio/zstack-utility,mrwangxc/zstack-utility,zstackorg/zstack-utility,mrwangxc/zstack-utility,zstackorg/zstack-utility,zstackio/zstack-utility,mrwangxc/zstack-utility,mingjian2049/zstack-utility