Remove now-redundant KeyUtil#setEncoderImpl call

Change-Id: If4e6b18d2513a6a21fe096c5b9b70e2140d7e0aa
diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/GitUpdateProcessingTest.java b/src/test/java/com/googlesource/gerrit/plugins/replication/GitUpdateProcessingTest.java
index 9a506f8..5fcb3da 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/GitUpdateProcessingTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/GitUpdateProcessingTest.java
@@ -25,8 +25,6 @@
 import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.events.EventDispatcher;
 import com.google.gerrit.server.permissions.PermissionBackendException;
-import com.google.gwtorm.client.KeyUtil;
-import com.google.gwtorm.client.StandardKeyEncoder;
 import com.google.gwtorm.server.OrmException;
 import com.google.gwtorm.server.SchemaFactory;
 import com.googlesource.gerrit.plugins.replication.PushResultProcessing.GitUpdateProcessing;
@@ -39,10 +37,6 @@
 
 @SuppressWarnings("unchecked")
 public class GitUpdateProcessingTest {
-  static {
-    KeyUtil.setEncoderImpl(new StandardKeyEncoder());
-  }
-
   private EventDispatcher dispatcherMock;
   private GitUpdateProcessing gitUpdateProcessing;