Delete CPS IR

tests/compiler/dart2js/cps_ir/expected/argument_refinement_23.js

Index: tests/compiler/dart2js/cps_ir/expected/argument_refinement_23.js
diff --git a/tests/compiler/dart2js/cps_ir/expected/argument_refinement_23.js b/tests/compiler/dart2js/cps_ir/expected/argument_refinement_23.js
deleted file mode 100644
index e2e290dc90b3e6d7c7c24130e9391548bbf01d63..0000000000000000000000000000000000000000
--- a/tests/compiler/dart2js/cps_ir/expected/argument_refinement_23.js
+++ /dev/null
@@ -1,19 +0,0 @@
-// Expectation for test: 
-// main() {
-//   var x = int.parse('1233');
-//   var y = int.parse('1234');
-//   print(x is int);
-//   print(y is int);
-//   print(x.toUnsigned(y));
-//   print(x is int);
-//   print(y is int);
-// }
-
-function() {
-  var x = P.int_parse("1233", null, null), y = P.int_parse("1234", null, null);
-  P.print(typeof x === "number" && Math.floor(x) === x);
-  P.print(typeof y === "number" && Math.floor(y) === y);
-  P.print(J.toUnsigned$1$i(x, y));
-  P.print(true);
-  P.print(true);
-}