Ensure the failed rtp gets removed from the list

AriasServerUtils/RTPFactory.cs

@@ -149,6 +149,15 @@ public class RTPFactory
 
             // Log the request
             ChunkChecks.Add(chunk);
+
+            if (rtp.NumTriesRemaining <= 0)
+            {
+                // Send failure message to the player
+                ServerUtilities.SendMessageTo(rtp.player, Lang.Get($"{ServerUtilities.MOD_ID}:rtp-fail"));
+                // This check needs to be removed from the queue
+                RTPCache.Remove(rtp);
+                return; // We modified the list, so abort the loop.
+            }
         }
     }