refac: usage event handling

src/routes/+layout.svelte

@@ -16,8 +16,6 @@
 		WEBUI_NAME,
 		mobile,
 		socket,
-		activeUserIds,
-		USAGE_POOL,
 		chatId,
 		chats,
 		currentChatPage,
@@ -103,16 +101,6 @@
 				console.log('Additional details:', details);
 			}
 		});
-
-		_socket.on('user-list', (data) => {
-			console.log('user-list', data);
-			activeUserIds.set(data.user_ids);
-		});
-
-		_socket.on('usage', (data) => {
-			console.log('usage', data);
-			USAGE_POOL.set(data['models']);
-		});
 	};
 
 	const executePythonAsWorker = async (id, code, cb) => {