HADOOP-17598. Fix java doc issue introduced by HADOOP-17578. (#2802). Contributed by Xiaoyu Yao.

Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
Signed-off-by: Ayush Saxena <ayushsaxena@apache.org>

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java

@@ -1920,7 +1920,6 @@ public class UserGroupInformation {
   /**
    * Log current UGI and token information into specified log.
    * @param ugi - UGI
-   * @throws IOException
    */
   @InterfaceAudience.LimitedPrivate({"HDFS", "KMS"})
   @InterfaceStability.Unstable