fix: don't double up remove packets

server/traits/informed.trait.js

@@ -159,12 +159,19 @@ export class Informed extends decorate(Trait) {
   }
 
   injectEntityRemovePackets(packets, visibleEntities) {
+    const alreadyRemovedEntities = packets.filter((packet) => {
+      return packet instanceof EntityRemovePacket;
+    }).map((packet) => {
+      return packet.entity;
+    });
     for (let i = 0; i < this.seenEntities.length; i++) {
       const entity = this.seenEntities[i];
       if (-1 === visibleEntities.indexOf(entity)) {
+        if (-1 === alreadyRemovedEntities.indexOf(entity)) {
           packets.push(new EntityRemovePacket({}, entity));
         }
       }
+    }
     return packets;
   }