ReceiveCommits: Remove unused rejectRemainingRequests method

Change-Id: Ibc215f0f04d67f5a1c868156cd636de6d959ec93
diff --git a/java/com/google/gerrit/server/git/receive/ReceiveCommits.java b/java/com/google/gerrit/server/git/receive/ReceiveCommits.java
index 9ad543c..a845e53 100644
--- a/java/com/google/gerrit/server/git/receive/ReceiveCommits.java
+++ b/java/com/google/gerrit/server/git/receive/ReceiveCommits.java
@@ -3418,10 +3418,6 @@
     commands.filter(cmd -> cmd.getResult() == NOT_ATTEMPTED).forEach(cmd -> reject(cmd, why));
   }
 
-  private static void rejectRemainingRequests(Collection<ReplaceRequest> requests, String why) {
-    rejectRemaining(requests.stream().map(req -> req.cmd), why);
-  }
-
   private static boolean isHead(ReceiveCommand cmd) {
     return cmd.getRefName().startsWith(Constants.R_HEADS);
   }