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

test/codegen_expected/corelib/collection_test.js

 dart_library.library('corelib/collection_test', null, /* Imports */[
   'dart_sdk',
   'expect'
 ], function load__collection_test(exports, dart_sdk, expect) {
   'use strict';
   const core = dart_sdk.core;
   const collection = dart_sdk.collection;
   const dart = dart_sdk.dart;
   const dartx = dart_sdk.dartx;
   const expect$ = expect.expect;
   const collection_test = Object.create(null);
+  let SetOfint = () => (SetOfint = dart.constFn(core.Set$(core.int)))();
   let dynamicAnddynamicTodynamic = () => (dynamicAnddynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic, dart.dynamic])))();
   let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
   collection_test.CollectionTest = class CollectionTest extends core.Object {
     new(iterable) {
       this.testFold(iterable);
     }
     testFold(iterable) {
       expect$.Expect.equals(28, iterable[dartx.fold](dart.dynamic)(0, dart.fn((prev, element) => dart.dsend(prev, '+', element), dynamicAnddynamicTodynamic())));
       expect$.Expect.equals(3024, iterable[dartx.fold](dart.dynamic)(1, dart.fn((prev, element) => dart.dsend(prev, '*', element), dynamicAnddynamicTodynamic())));
     }
   };
   dart.setSignature(collection_test.CollectionTest, {
     constructors: () => ({new: dart.definiteFunctionType(collection_test.CollectionTest, [core.Iterable])}),
     methods: () => ({testFold: dart.definiteFunctionType(dart.void, [core.Iterable])})
   });
   let const$;
   collection_test.main = function() {
     let TEST_ELEMENTS = const$ || (const$ = dart.constList([4, 2, 6, 7, 9], core.int));
     new collection_test.CollectionTest(TEST_ELEMENTS);
     let fixedList = core.List.new(TEST_ELEMENTS[dartx.length]);
     for (let i = 0; i < dart.notNull(TEST_ELEMENTS[dartx.length]); i++) {
       fixedList[dartx.set](i, TEST_ELEMENTS[dartx.get](i));
     }
     new collection_test.CollectionTest(fixedList);
     new collection_test.CollectionTest(core.List.from(TEST_ELEMENTS));
-    new collection_test.CollectionTest(core.Set.from(TEST_ELEMENTS));
+    new collection_test.CollectionTest(SetOfint().from(TEST_ELEMENTS));
     new collection_test.CollectionTest(collection.Queue.from(TEST_ELEMENTS));
   };
   dart.fn(collection_test.main, VoidTodynamic());
   // Exports:
   exports.collection_test = collection_test;
 });