[sn-platform] Remove the presto config `pulsar.managed-ledger-num-worker-threads`

[FushuWang]

When upgrading the image to 2.11.x, the presto coordinator will meet this error. The solution is to remove the pulsar.managed-ledger-num-worker-threads from the presto configuration.

2023-06-08T16:21:57.682942894Z 1) Error: Configuration property 'pulsar.managed-ledger-num-worker-threads' was not used
2023-06-08T16:21:57.682945544Z
2023-06-08T16:21:57.682947856Z 1 error
2023-06-08T16:21:57.682950610Z  at io.airlift.bootstrap.Bootstrap.initialize(Bootstrap.java:238)
2023-06-08T16:21:57.682953636Z  at org.apache.pulsar.sql.presto.PulsarConnectorFactory.create(PulsarConnectorFactory.java:67)
2023-06-08T16:21:57.682970015Z  at io.prestosql.connector.ConnectorManager.createConnector(ConnectorManager.java:349)
2023-06-08T16:21:57.682973616Z  at io.prestosql.connector.ConnectorManager.createCatalog(ConnectorManager.java:208)
2023-06-08T16:21:57.682976910Z  at io.prestosql.connector.ConnectorManager.createCatalog(ConnectorManager.java:200)
2023-06-08T16:21:57.682980658Z  at io.prestosql.connector.ConnectorManager.createCatalog(ConnectorManager.java:186)
2023-06-08T16:21:57.682994179Z  at io.prestosql.metadata.StaticCatalogStore.loadCatalog(StaticCatalogStore.java:88)
2023-06-08T16:21:57.682997466Z  at io.prestosql.metadata.StaticCatalogStore.loadCatalogs(StaticCatalogStore.java:68)
2023-06-08T16:21:57.683001095Z  at io.prestosql.server.Server.doStart(Server.java:114)
2023-06-08T16:21:57.683004052Z  at io.prestosql.server.Server.lambda$start$0(Server.java:69)
2023-06-08T16:21:57.683006784Z  at io.prestosql.$gen.Presto_334____20230608_162126_1.run(Unknown Source)
2023-06-08T16:21:57.683009379Z  at io.prestosql.server.Server.start(Server.java:69)
2023-06-08T16:21:57.683011802Z  at io.prestosql.server.PrestoServer.main(PrestoServer.java:39)