Remove hir::Item::attrs.

compiler/rustc_passes/src/stability.rs

@@ -751,8 +751,9 @@ impl Visitor<'tcx> for Checker<'tcx> {
                     // error if all involved types and traits are stable, because
                     // it will have no effect.
                     // See: https://github.com/rust-lang/rust/issues/55436
+                    let attrs = self.tcx.hir().attrs(item.hir_id());
                     if let (Some((Stability { level: attr::Unstable { .. }, .. }, span)), _) =
-                        attr::find_stability(&self.tcx.sess, &item.attrs, item.span)
+                        attr::find_stability(&self.tcx.sess, attrs, item.span)
                     {
                         let mut c = CheckTraitImplStable { tcx: self.tcx, fully_stable: true };
                         c.visit_ty(self_ty);