Get rid of promotedType=none annotations

pkg/front_end/testcases/inference/future_then_conditional_6.dart

Index: pkg/front_end/testcases/inference/future_then_conditional_6.dart
diff --git a/pkg/front_end/testcases/inference/future_then_conditional_6.dart b/pkg/front_end/testcases/inference/future_then_conditional_6.dart
index e991a1e414dfd3a4543d9889bc2d52826fdc7ee9..eeee25fb3c029aeee68d8e14ef557573e5d3a76c 100644
--- a/pkg/front_end/testcases/inference/future_then_conditional_6.dart
+++ b/pkg/front_end/testcases/inference/future_then_conditional_6.dart
@@ -16,27 +16,19 @@ class MyFuture<T> implements Future<T> {
 
 void main() {
   Future<bool> f;
-  Future<int> t1 = /*@promotedType=none*/ f
-      . /*@typeArgs=int*/ /*@target=Future::then*/ then(
-          /*@returnType=Future<int>*/ (/*@type=bool*/ x) async =>
-              /*@promotedType=none*/ x ? 2 : await new Future<int>.value(3));
-  Future<int> t2 = /*@promotedType=none*/ f
-      . /*@typeArgs=int*/ /*@target=Future::then*/ then(
-          /*@returnType=Future<int>*/ (/*@type=bool*/ x) async {
-    return /*info:DOWN_CAST_COMPOSITE*/ await /*@promotedType=none*/ x
-        ? 2
-        : new Future<int>.value(3);
+  Future<int> t1 = f. /*@typeArgs=int*/ /*@target=Future::then*/ then(
+      /*@returnType=Future<int>*/ (/*@type=bool*/ x) async =>
+          x ? 2 : await new Future<int>.value(3));
+  Future<int> t2 = f. /*@typeArgs=int*/ /*@target=Future::then*/ then(
+      /*@returnType=Future<int>*/ (/*@type=bool*/ x) async {
+    return /*info:DOWN_CAST_COMPOSITE*/ await x ? 2 : new Future<int>.value(3);
   });
-  Future<int> t5 = /*@promotedType=none*/ f
-      . /*@typeArgs=int*/ /*@target=Future::then*/ then(
-          /*info:INFERRED_TYPE_CLOSURE,error:INVALID_CAST_FUNCTION_EXPR*/
-          /*@returnType=Object*/ (/*@type=bool*/ x) =>
-              /*@promotedType=none*/ x ? 2 : new Future<int>.value(3));
-  Future<int> t6 = /*@promotedType=none*/ f
-      . /*@typeArgs=int*/ /*@target=Future::then*/ then(
-          /*@returnType=FutureOr<int>*/ (/*@type=bool*/ x) {
-    return /*info:DOWN_CAST_COMPOSITE*/ /*@promotedType=none*/ x
-        ? 2
-        : new Future<int>.value(3);
+  Future<int> t5 = f. /*@typeArgs=int*/ /*@target=Future::then*/ then(
+      /*info:INFERRED_TYPE_CLOSURE,error:INVALID_CAST_FUNCTION_EXPR*/
+      /*@returnType=Object*/ (/*@type=bool*/ x) =>
+          x ? 2 : new Future<int>.value(3));
+  Future<int> t6 = f. /*@typeArgs=int*/ /*@target=Future::then*/ then(
+      /*@returnType=FutureOr<int>*/ (/*@type=bool*/ x) {
+    return /*info:DOWN_CAST_COMPOSITE*/ x ? 2 : new Future<int>.value(3);
   });
 }