Remove unnecessarily nested else-clause

Change-Id: I4f19afb532a2cc7396e0244a74aa2aaa8e69d0a3
diff --git a/src/main/java/com/googlesource/gerrit/plugins/refprotection/BackupRef.java b/src/main/java/com/googlesource/gerrit/plugins/refprotection/BackupRef.java
index b18d806..d88df07 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/refprotection/BackupRef.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/refprotection/BackupRef.java
@@ -173,9 +173,8 @@
   static String get(ProjectResource project, String refName) {
     if (cfg.getFromGerritConfig(pluginName).getBoolean("useTimestamp", true)) {
       return getTimestampBranch(refName);
-    } else {
-      return getSequentialBranch(project, refName);
     }
+    return getSequentialBranch(project, refName);
   }
 
   static String getTimestampBranch(String refName) {