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

test/codegen_expected/corelib/collection_from_test.js

 dart_library.library('corelib/collection_from_test', null, /* Imports */[
   'dart_sdk',
   'expect'
 ], function load__collection_from_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_from_test = Object.create(null);
   let SetOfint = () => (SetOfint = dart.constFn(core.Set$(core.int)))();
   let ListOfint = () => (ListOfint = dart.constFn(core.List$(core.int)))();
   let QueueOfint = () => (QueueOfint = dart.constFn(collection.Queue$(core.int)))();
   let dynamicTovoid = () => (dynamicTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic])))();
   let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
   collection_from_test.CollectionFromTest = class CollectionFromTest extends core.Object {
     static testMain() {
       let set = SetOfint().new();
       set.add(1);
       set.add(2);
       set.add(4);
       collection_from_test.CollectionFromTest.check(set, ListOfint().from(set));
       collection_from_test.CollectionFromTest.check(set, core.List.from(set));
       collection_from_test.CollectionFromTest.check(set, QueueOfint().from(set));
       collection_from_test.CollectionFromTest.check(set, collection.Queue.from(set));
       collection_from_test.CollectionFromTest.check(set, SetOfint().from(set));
-      collection_from_test.CollectionFromTest.check(set, core.Set.from(set));
+      collection_from_test.CollectionFromTest.check(set, SetOfint().from(set));
     }
     static check(initial, other) {
       expect$.Expect.equals(3, initial[dartx.length]);
       expect$.Expect.equals(initial[dartx.length], other[dartx.length]);
       let initialSum = 0;
       let otherSum = 0;
       initial[dartx.forEach](dart.fn(e => {
         initialSum = dart.notNull(initialSum) + dart.notNull(core.int._check(e));
       }, dynamicTovoid()));
       other[dartx.forEach](dart.fn(e => {
@@ skipping 10 matching lines @@
     }),
     names: ['testMain', 'check']
   });
   collection_from_test.main = function() {
     collection_from_test.CollectionFromTest.testMain();
   };
   dart.fn(collection_from_test.main, VoidTodynamic());
   // Exports:
   exports.collection_from_test = collection_from_test;
 });