Bless test output

src/test/ui/async-await/issues/issue-78938-async-block.stderr

@@ -9,7 +9,6 @@ LL | |     });
    | |_____^ may outlive borrowed value `room_ref`
    |
    = note: async blocks are not executed immediately and must either take a reference or ownership of outside variables they use
-   = help: see https://rust-lang.github.io/async-book/03_async_await/01_chapter.html#awaiting-on-a-multithreaded-executor for more information
 help: to force the async block to take ownership of `room_ref` (and any other referenced variables), use the `move` keyword
    |
 LL |     let gameloop_handle = spawn(async move {