Fix unnecessary import

Author: vnarayanan

hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/commit/magic/ITestMagicCommitProtocol.java

@@ -28,7 +28,6 @@
 import org.apache.hadoop.mapred.JobConf;
 import org.apache.hadoop.mapred.JobContextImpl;
 import org.assertj.core.api.Assertions;
-import org.junit.Test;
 
 import org.apache.hadoop.fs.LocatedFileStatus;
 import org.apache.hadoop.fs.Path;