fix: remove unused prop on WaitingLobby

src/App.svelte

@@ -147,7 +147,7 @@
             on:dismiss-error={() => (error = '')}
         />
     {:else if gameState === 'waiting'}
-        <WaitingLobby {username} {gameId} {host} {socket} {players} />
+        <WaitingLobby {username} {host} {socket} {players} />
     {:else if gameState === 'waitingForWord'}
         <Card>
             <p>Waiting for a word to be picked...</p>

src/client/WaitingLobby.svelte

@@ -7,7 +7,6 @@
 
     export let players: Player[];
     export let username: string;
-    export let gameId: string;
     export let host: boolean;
     export let socket: Socket<ServerToClientEvents, ClientToServerEvents>;
 </script>