Clean-up. Accidentally merged a removed lint back in.

Author: lrhn

pkgs/fake_async/analysis_options.yaml

@@ -14,6 +14,5 @@ linter:
     - join_return_with_assignment
     - literal_only_boolean_expressions
     - no_adjacent_strings_in_list
-    - prefer_const_constructors
     - prefer_final_locals
     - unnecessary_await_in_return

pkgs/fake_async/test/fake_async_test.dart

@@ -821,7 +821,7 @@ void main() {
         log.clear();
         Timer.periodic(elapseBy * 2, (t) {
           if (t.tick == 2) {
-            throw 'periodic timer error'; // ignore: only_throw_errors 
+            throw 'periodic timer error'; // ignore: only_throw_errors
           }
         });
       });
@@ -842,10 +842,10 @@ void main() {
       zone.run(() {
         log.clear();
         scheduleMicrotask(() {
-          throw 'microtask error'; // ignore: only_throw_errors 
+          throw 'microtask error'; // ignore: only_throw_errors
         });
         Timer(elapseBy, () {
-          throw 'timer error'; // ignore: only_throw_errors 
+          throw 'timer error'; // ignore: only_throw_errors
         });
       });
       expect(log, ['r0(#4)', 'r0(#5)']);