fix: Remove duplicated code in IcebergCatalog (#1681)

Author: adutra

service/common/src/main/java/org/apache/polaris/service/catalog/iceberg/IcebergCatalog.java

@@ -260,14 +260,6 @@ public void initialize(String name, Map<String, String> properties) {
     closeableGroup.addCloseable(metricsReporter());
     closeableGroup.setSuppressCloseFailure(true);
 
-    tableDefaultProperties =
-        PropertyUtil.propertiesWithPrefix(properties, CatalogProperties.TABLE_DEFAULT_PREFIX);
-
-    callContext.closeables().addCloseable(this);
-    this.closeableGroup = new CloseableGroup();
-    closeableGroup.addCloseable(metricsReporter());
-    closeableGroup.setSuppressCloseFailure(true);
-
     tableDefaultProperties =
         PropertyUtil.propertiesWithPrefix(properties, CatalogProperties.TABLE_DEFAULT_PREFIX);
   }