fix: remove reaction object completely

package.json

@@ -1,6 +1,6 @@
 {
     "name": "revolt.js",
-    "version": "6.0.11",
+    "version": "6.0.12",
     "main": "dist/index.js",
     "typings": "dist/index.d.ts",
     "module": "esm/index.js",

src/websocket/client.ts

@@ -334,9 +334,17 @@ export class WebSocketClient {
 
                         case "MessageUnreact": {
                             const msg = this.client.messages.get(packet.id);
-                            msg?.reactions
-                                .get(packet.emoji_id)
-                                ?.delete(packet.user_id);
+                            const user_ids = msg?.reactions.get(
+                                packet.emoji_id,
+                            );
+
+                            if (user_ids) {
+                                user_ids.delete(packet.user_id);
+                                if (user_ids.size === 0) {
+                                    msg!.reactions.delete(packet.emoji_id);
+                                }
+                            }
+
                             break;
                         }