Remove unused import in CreateFileSnapshotBenchmark

Change-Id: Ic02f32fb882602e573f34d0a38d850f43aadf7ba
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/CreateFileSnapshotBenchmark.java

@@ -45,7 +45,6 @@ package org.eclipse.jgit.benchmarks;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 
 import org.eclipse.jgit.internal.storage.file.FileSnapshot;