FormatUtil: Remove unused import

Change-Id: Ied8accb9f2a9f05e241779c0d04757181e7ff5b9
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/FormatUtil.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/FormatUtil.java
index 73a4eab..3f0daa2 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/FormatUtil.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/FormatUtil.java
@@ -17,7 +17,6 @@
 import com.google.gerrit.client.change.Resources;
 import com.google.gerrit.client.info.AccountInfo;
 import com.google.gerrit.client.info.GeneralPreferences;
-import com.google.gerrit.reviewdb.client.Account;
 import com.google.gwt.i18n.client.NumberFormat;
 
 import java.util.Date;