refactor: remove redundant createState in chat room examples (#918)

Author: NathanFlurry

docs/snippets/examples/chat-room-js.mdx

@@ -9,11 +9,6 @@ const chatRoom = actor({
     messages: [] as Message[] 
   },
 
-  // Initialize the room
-  createState: () => ({
-    messages: []
-  }),
-
   actions: {
     sendMessage: (c, sender: string, text: string) => {
       const message = { sender, text, timestamp: Date.now() };

examples/snippets/chat-room/actor-json.ts

@@ -8,11 +8,6 @@ const chatRoom = actor({
     messages: [] as Message[] 
   },
 
-  // Initialize the room
-  createState: () => ({
-    messages: []
-  }),
-
   actions: {
     sendMessage: (c, sender: string, text: string) => {
       const message = { sender, text, timestamp: Date.now() };
@@ -28,4 +23,4 @@ const chatRoom = actor({
   }
 });
 
-export default chatRoom;
+export default chatRoom;