Revert "Use org.apache.sshd.sftp.SftpMessage import"

This reverts commit a601439.

Author: artembilan

spring-integration-sftp/src/main/java/org/springframework/integration/sftp/session/DefaultSftpSessionFactory.java

@@ -43,9 +43,9 @@
 import org.apache.sshd.common.util.io.resource.IoResource;
 import org.apache.sshd.common.util.net.SshdSocketAddress;
 import org.apache.sshd.common.util.security.SecurityUtils;
-import org.apache.sshd.sftp.SftpMessage;
 import org.apache.sshd.sftp.client.SftpClient;
 import org.apache.sshd.sftp.client.SftpErrorDataHandler;
+import org.apache.sshd.sftp.client.SftpMessage;
 import org.apache.sshd.sftp.client.SftpVersionSelector;
 import org.apache.sshd.sftp.client.impl.AbstractSftpClient;
 import org.apache.sshd.sftp.client.impl.DefaultSftpClient;