remove unused imports

pkg/compiler/lib/src/ssa/locals_handler.dart

Index: pkg/compiler/lib/src/ssa/locals_handler.dart
diff --git a/pkg/compiler/lib/src/ssa/locals_handler.dart b/pkg/compiler/lib/src/ssa/locals_handler.dart
index d06750fdc4ee2a9998daa415ec29e97b3b92c115..34fbee0e24facd80d68d7e7887d4dce718be0074 100644
--- a/pkg/compiler/lib/src/ssa/locals_handler.dart
+++ b/pkg/compiler/lib/src/ssa/locals_handler.dart
@@ -8,10 +8,8 @@ import '../elements/resolution_types.dart';
 import '../elements/elements.dart';
 import '../elements/entities.dart';
 import '../io/source_information.dart';
-import '../js/js.dart' as js;
 import '../js_backend/native_data.dart';
 import '../js_backend/interceptor_data.dart';
-import '../native/native.dart' as native;
 import '../tree/tree.dart' as ast;
 import '../types/types.dart';
 import '../world.dart' show ClosedWorld;