remove use Cell in variance-object-types.rs

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Yoke 2022-06-13 18:25:49 +08:00 committed by GitHub
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commit 55b3c443d6
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@ -1,6 +1,5 @@
#![feature(rustc_attrs)]
use std::cell::Cell;
// For better or worse, associated types are invariant, and hence we
// get an invariant result for `'a`.