Remove now-unnecessary blanket impl HIR check

Author: CraftSpider

src/librustdoc/clean/blanket_impl.rs

@@ -101,27 +101,6 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> {
 
                     cx.generated_synthetics.insert((ty, trait_def_id));
 
-                    let hir_imp = impl_def_id.as_local()
-                        .map(|local| cx.tcx.hir().expect_item(local))
-                        .and_then(|item| if let hir::ItemKind::Impl(i) = &item.kind {
-                            Some(i)
-                        } else {
-                            None
-                        });
-
-                    let items = match hir_imp {
-                        Some(imp) => imp
-                            .items
-                            .iter()
-                            .map(|ii| cx.tcx.hir().impl_item(ii.id).clean(cx))
-                            .collect::<Vec<_>>(),
-                        None => cx.tcx
-                            .associated_items(impl_def_id)
-                            .in_definition_order()
-                            .map(|x| x.clean(cx))
-                            .collect::<Vec<_>>(),
-                    };
-
                     impls.push(Item {
                         name: None,
                         attrs: Default::default(),
@@ -138,7 +117,11 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> {
                             // the post-inference `trait_ref`, as it's more accurate.
                             trait_: Some(trait_ref.clean(cx)),
                             for_: ty.clean(cx),
-                            items,
+                            items: cx.tcx
+                                .associated_items(impl_def_id)
+                                .in_definition_order()
+                                .map(|x| x.clean(cx))
+                                .collect::<Vec<_>>(),
                             polarity: ty::ImplPolarity::Positive,
                             kind: ImplKind::Blanket(box trait_ref.self_ty().clean(cx)),
                         }),