Revert "Update all Angular libs (run update_all.sh)."

third_party/pkg/angular/test/formatter/arrayify_spec.dart

-library map_spec;
-
-import '../_specs.dart';
-import 'package:angular/formatter/module.dart';
-
-void main() {
-  describe('arrayify', () {
-    it('should convert a map to list of key value pairs', (Parser parse, FormatterMap formatters) {
-      List result = parse('{"key1": "value1", "key2": "value2"} | arrayify').eval(null, formatters);
-      expect(result.map((kv) => kv.key)).toEqual(["key1", "key2"]);
-      expect(result.map((kv) => kv.value)).toEqual(["value1", "value2"]);
-    });
-
-    it('should treat null as noop', (Parser parse, FormatterMap formatters) {
-      expect(parse('null | arrayify').eval(null, formatters)).toEqual(null);
-    });
-  });
-}