The DROP DB_DISCOVERY HEARTBEAT syntax is used to drop database discovery heartbeat for specified database
DropDatabaseDiscoveryHeartbeat ::=
  'DROP' 'DB_DISCOVERY' 'HEARTBEAT'  dbDiscoveryHeartbeatName (',' dbDiscoveryHeartbeatName)*  ('FROM' databaseName)?
dbDiscoveryHeartbeatName ::=
  identifier
databaseName ::=
  identifier
DROP DB_DISCOVERY HEARTBEAT group_0_heartbeat, group_1_heartbeat FROM test1;
DROP DB_DISCOVERY HEARTBEAT group_0_heartbeat;
DROP, DB_DISCOVERY, HEARTBEAT, FROM
