Get rid of promotedType=none annotations

pkg/front_end/testcases/inference/generic_methods_iterable_and_future.dart

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /*@testedFeatures=inference*/
 library test;
 
 import 'dart:async';
 
 Future<int> make(int x) => (new /*@typeArgs=int*/ Future(
-    /*@returnType=int*/ () => /*@promotedType=none*/ x));
+    /*@returnType=int*/ () => x));
 
 main() {
   Iterable<Future<int>> list =
       <int>[1, 2, 3]. /*@typeArgs=Future<int>*/ /*@target=List::map*/ map(make);
   Future<List<int>> results =
-      Future. /*@typeArgs=int*/ /*@target=Future::wait*/ wait(
-          /*@promotedType=none*/ list);
-  Future<String> results2 = /*@promotedType=none*/ results
-      . /*@typeArgs=String*/ /*@target=Future::then*/ then(
-          /*@returnType=FutureOr<String>*/ (List<int> list) => /*@promotedType=none*/ list
-              . /*@typeArgs=FutureOr<String>*/ /*@target=List::fold*/ fold(
+      Future. /*@typeArgs=int*/ /*@target=Future::wait*/ wait(list);
+  Future<String> results2 =
+      results. /*@typeArgs=String*/ /*@target=Future::then*/ then(
+          /*@returnType=FutureOr<String>*/ (List<int> list) =>
+              list. /*@typeArgs=FutureOr<String>*/ /*@target=List::fold*/ fold(
                   '',
                   /*@returnType=FutureOr<String>*/ (/*@type=FutureOr<String>*/ x,
-                          /*@type=int*/ y) => /*info:DYNAMIC_CAST,info:DYNAMIC_INVOKE*/ /*@promotedType=none*/ x /*error:UNDEFINED_OPERATOR*/ +
-                      /*@promotedType=none*/ y
-                          . /*@target=Object::toString*/ toString()));
+                          /*@type=int*/ y) => /*info:DYNAMIC_CAST,info:DYNAMIC_INVOKE*/ x /*error:UNDEFINED_OPERATOR*/ +
+                      y. /*@target=Object::toString*/ toString()));
 
-  Future<String> results3 = /*@promotedType=none*/ results
-      . /*@typeArgs=String*/ /*@target=Future::then*/ then(
-          /*@returnType=FutureOr<String>*/ (List<int> list) => /*@promotedType=none*/ list
-              . /*@typeArgs=FutureOr<String>*/ /*@target=List::fold*/ fold(
+  Future<String> results3 =
+      results. /*@typeArgs=String*/ /*@target=Future::then*/ then(
+          /*@returnType=FutureOr<String>*/ (List<int> list) =>
+              list. /*@typeArgs=FutureOr<String>*/ /*@target=List::fold*/ fold(
                   '',
                   /*info:INFERRED_TYPE_CLOSURE,error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ /*@returnType=String*/ (String
                               x,
                           /*@type=int*/ y) =>
-                      /*@promotedType=none*/ x /*@target=String::+*/ + /*@promotedType=none*/ y
-                          . /*@target=Object::toString*/ toString()));
+                      x /*@target=String::+*/ +
+                      y. /*@target=Object::toString*/ toString()));
 
-  Future<String> results4 = /*@promotedType=none*/ results
-      . /*@typeArgs=String*/ /*@target=Future::then*/ then(
-          /*@returnType=String*/ (List<int>
-              list) => /*@promotedType=none*/ list. /*@target=List::fold*/ fold<
-                  String>(
-              '',
-              /*@returnType=String*/ (/*@type=String*/ x,
-                      /*@type=int*/ y) =>
-                  /*@promotedType=none*/ x /*@target=String::+*/ + /*@promotedType=none*/ y
-                      . /*@target=Object::toString*/ toString()));
+  Future<String> results4 =
+      results. /*@typeArgs=String*/ /*@target=Future::then*/ then(
+          /*@returnType=String*/ (List<int> list) =>
+              list. /*@target=List::fold*/ fold<String>(
+                  '',
+                  /*@returnType=String*/ (/*@type=String*/ x,
+                          /*@type=int*/ y) =>
+                      x /*@target=String::+*/ +
+                      y. /*@target=Object::toString*/ toString()));
 }