Remove unused import

Author: Michael-A-McMahon

src/test/java/oracle/r2dbc/impl/OracleReactiveJdbcAdapterTest.java

@@ -39,7 +39,6 @@
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
-import javax.xml.crypto.Data;
 import java.io.IOException;
 import java.nio.channels.ServerSocketChannel;
 import java.nio.channels.SocketChannel;