NETFLIX-BUILD: Use the default Metacat catalog for Iceberg.

Author: rdblue

netflix/spark-defaults.conf

@@ -71,7 +71,6 @@ spark.sql.autoBroadcastJoinThreshold                     100000000
 spark.sql.broadcastTimeout                               -1
 spark.sql.catalogImplementation                          hive
 spark.sql.catalog.iceberg                                com.netflix.iceberg.metacat.MetacatCatalog
-spark.sql.catalog.iceberg.catalog                        prodhive
 spark.sql.execution.rangeExchange.sampleSizePerPartition 20
 spark.sql.files.maxPartitionBytes                        268435456
 spark.sql.franklin.connection.timeout                    1800000