Remove DDC custom error list now that strong mode analyzer handles it

test/codegen_expected/language/setter4_test.js

Index: test/codegen_expected/language/setter4_test.js
diff --git a/test/codegen_expected/language/setter4_test.js b/test/codegen_expected/language/setter4_test.js
index 7f35e30a3be6b3e4da82f0a8ccec431512616740..0c6a6854ae66ffc3bb4d224622bd6d0fb857cb23 100644
--- a/test/codegen_expected/language/setter4_test.js
+++ b/test/codegen_expected/language/setter4_test.js
@@ -1,26 +1 @@
-dart_library.library('language/setter4_test', null, /* Imports */[
-  'dart_sdk'
-], function load__setter4_test(exports, dart_sdk) {
-  'use strict';
-  const core = dart_sdk.core;
-  const dart = dart_sdk.dart;
-  const dartx = dart_sdk.dartx;
-  const setter4_test = Object.create(null);
-  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
-  setter4_test.A = class A extends core.Object {
-    a() {
-      return 1;
-    }
-    set a(val) {
-      let i = core.int._check(val);
-    }
-  };
-  dart.setSignature(setter4_test.A, {
-    methods: () => ({a: dart.definiteFunctionType(core.int, [])})
-  });
-  setter4_test.main = function() {
-  };
-  dart.fn(setter4_test.main, VoidTodynamic());
-  // Exports:
-  exports.setter4_test = setter4_test;
-});
+//FAILED TO COMPILE