Delete CPS IR

tests/compiler/dart2js/cps_ir/input/constructor_4.dart

Index: tests/compiler/dart2js/cps_ir/input/constructor_4.dart
diff --git a/tests/compiler/dart2js/cps_ir/input/constructor_4.dart b/tests/compiler/dart2js/cps_ir/input/constructor_4.dart
deleted file mode 100644
index 5f148542df02d44e5dd607d8b3ed8767ddf517f4..0000000000000000000000000000000000000000
--- a/tests/compiler/dart2js/cps_ir/input/constructor_4.dart
+++ /dev/null
@@ -1,20 +0,0 @@
-class Base0 {
-  Base0() {
-    print('Base0');
-  }
-}
-class Base extends Base0 {
-  var x;
-  Base(x1) : x = (() => ++x1) {
-    print(x1); // use boxed x1
-  }
-}
-class Sub extends Base {
-  var y;
-  Sub(x, this.y) : super(x) {
-    print(x);
-  }
-}
-main() {
-  print(new Sub(1, 2).x);
-}