refactor: 移除未使用注释并优化代码结构

- 移除未使用的服务器函数注释并优化代码结构

src/routes/todo.tsx

@@ -21,7 +21,6 @@ const deleteTodoSchema = z.object({
   id: z.uuid(),
 })
 
-// Server Functions - CRUD 操作
 const getTodos = createServerFn({ method: 'GET' }).handler(async () => {
   const todos = await db.query.todoTable.findMany({
     orderBy: (todos, { desc }) => [desc(todos.createdAt)],