Remove from librustdoc and clippy too

clippy_lints/src/lib.rs

@@ -1,7 +1,6 @@
 #![feature(array_windows)]
 #![feature(binary_heap_into_iter_sorted)]
 #![feature(box_patterns)]
-#![feature(control_flow_enum)]
 #![feature(drain_filter)]
 #![feature(iter_intersperse)]
 #![feature(let_chains)]

clippy_lints/src/methods/collapsible_str_replace.rs

@@ -54,7 +54,7 @@ fn collect_replace_calls<'tcx>(
                 from_args.push_front(from);
                 ControlFlow::Continue(())
             } else {
-                ControlFlow::BREAK
+                ControlFlow::Break(())
             }
         } else {
             ControlFlow::Continue(())

clippy_utils/src/lib.rs

@@ -1,6 +1,5 @@
 #![feature(array_chunks)]
 #![feature(box_patterns)]
-#![feature(control_flow_enum)]
 #![feature(let_chains)]
 #![feature(lint_reasons)]
 #![feature(never_type)]

clippy_utils/src/macros.rs

@@ -327,7 +327,7 @@ fn is_assert_arg(cx: &LateContext<'_>, expr: &Expr<'_>, assert_expn: ExpnId) ->
         } else {
             match cx.tcx.item_name(macro_call.def_id) {
                 // `cfg!(debug_assertions)` in `debug_assert!`
-                sym::cfg => ControlFlow::CONTINUE,
+                sym::cfg => ControlFlow::Continue(()),
                 // assert!(other_macro!(..))
                 _ => ControlFlow::Break(true),
             }

clippy_utils/src/mir/possible_borrower.rs

@@ -140,7 +140,7 @@ impl TypeVisitor<'_> for ContainsRegion {
     type BreakTy = ();
 
     fn visit_region(&mut self, _: ty::Region<'_>) -> ControlFlow<Self::BreakTy> {
-        ControlFlow::BREAK
+        ControlFlow::Break(())
     }
 }