Fix spotless format violation: remove extra blank line between imports

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: cloneot

flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-postgres/src/main/java/org/apache/flink/cdc/connectors/postgres/utils/PostgresTypeUtils.java

@@ -19,7 +19,6 @@
 
 import org.apache.flink.cdc.common.types.DataType;
 import org.apache.flink.cdc.common.types.DataTypes;
-
 import org.apache.flink.table.types.logical.DecimalType;
 
 import io.debezium.config.CommonConnectorConfig;