fix

Author: FlechazoW

oceanbase/oceanbase-sink/src/main/java/com/dtstack/flink/sql/sink/ocean/OceanbaseSink.java

@@ -3,7 +3,6 @@
 import com.dtstack.flink.sql.sink.IStreamSinkGener;
 import com.dtstack.flink.sql.sink.rdb.AbstractRdbSink;
 import com.dtstack.flink.sql.sink.rdb.JDBCOptions;
-import com.dtstack.flink.sql.sink.rdb.dialect.JDBCDialect;
 import com.dtstack.flink.sql.sink.rdb.format.JDBCUpsertOutputFormat;
 
 /**