Delete CPS IR

tests/compiler/dart2js/cps_ir/expected/argument_refinement_20.js

Index: tests/compiler/dart2js/cps_ir/expected/argument_refinement_20.js
diff --git a/tests/compiler/dart2js/cps_ir/expected/argument_refinement_20.js b/tests/compiler/dart2js/cps_ir/expected/argument_refinement_20.js
deleted file mode 100644
index 13b3053e3863fda373eec3012ed1fcaac418acaf..0000000000000000000000000000000000000000
--- a/tests/compiler/dart2js/cps_ir/expected/argument_refinement_20.js
+++ /dev/null
@@ -1,23 +0,0 @@
-// Expectation for test: 
-// main() {
-//   var x = int.parse('1233');
-//   var y = int.parse('1234');
-//   print(x / 2);
-//   print(x is num);
-//   print(y is num);
-//   print(x * y);
-//   print(y is num);
-// }
-
-function() {
-  var x = P.int_parse("1233", null, null), y = P.int_parse("1234", null, null);
-  if (typeof x !== "number")
-    return x.$div();
-  P.print(x / 2);
-  P.print(true);
-  P.print(typeof y === "number");
-  if (typeof y !== "number")
-    return H.iae(y);
-  P.print(x * y);
-  P.print(true);
-}