Rollup merge of rust-lang#98044 - dust1:master, r=Dylan-DPC

[issues:97981] del unrelated comment

fixes rust-lang#97981
summary: del unrelated comment

Author: Dylan-DPC

src/test/ui/variance/variance-object-types.rs

@@ -1,9 +1,5 @@
-// Test that Cell is considered invariant with respect to its
-// type.
-
 #![feature(rustc_attrs)]
 
-use std::cell::Cell;
 
 // For better or worse, associated types are invariant, and hence we
 // get an invariant result for `'a`.

src/test/ui/variance/variance-object-types.stderr

@@ -1,5 +1,5 @@
 error[E0208]: [o]
-  --> $DIR/variance-object-types.rs:11:1
+  --> $DIR/variance-object-types.rs:7:1
    |
 LL | / struct Foo<'a> {
 LL | |     x: Box<dyn Fn(i32) -> &'a i32 + 'static>