Do not suggest let_else if no bindings would be introduced

src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr

@@ -19,10 +19,6 @@ help: you might want to use `if let` to ignore the variants that aren't matched
    |
 LL |     if let (1, (Some(1), 2..=3)) = (1, (None, 2)) { todo!() }
    |     ++                                            ~~~~~~~~~~~
-help: alternatively, on nightly, you might want to use `#![feature(let_else)]` to handle the variants that aren't matched
-   |
-LL |     let (1, (Some(1), 2..=3)) = (1, (None, 2)) else { todo!() };
-   |                                                ++++++++++++++++
 
 error: aborting due to 2 previous errors