AtomicityHelper: Remove unused import

Change-Id: Ia53663d4243a1d9dc6655b517bb223d899495100
diff --git a/src/main/java/com/criteo/gerrit/plugins/automerge/AtomicityHelper.java b/src/main/java/com/criteo/gerrit/plugins/automerge/AtomicityHelper.java
index 32b409c..90208ce 100644
--- a/src/main/java/com/criteo/gerrit/plugins/automerge/AtomicityHelper.java
+++ b/src/main/java/com/criteo/gerrit/plugins/automerge/AtomicityHelper.java
@@ -38,7 +38,6 @@
 import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.gerrit.server.restapi.change.GetRelated;
-import com.google.gerrit.server.restapi.change.PostReview;
 import com.google.gerrit.server.restapi.change.Submit;
 import com.google.inject.Inject;
 import java.io.IOException;