Remove the ability in dart2js to turn off syntax-only generic methods.

pkg/compiler/lib/src/parser/class_element_parser.dart

Index: pkg/compiler/lib/src/parser/class_element_parser.dart
diff --git a/pkg/compiler/lib/src/parser/class_element_parser.dart b/pkg/compiler/lib/src/parser/class_element_parser.dart
index 3d3cd27a2ffa200d1811d070691584a3c0d67141..851873ab70c31d3216f3c7d2fa648d9484f3f1a1 100644
--- a/pkg/compiler/lib/src/parser/class_element_parser.dart
+++ b/pkg/compiler/lib/src/parser/class_element_parser.dart
@@ -4,14 +4,12 @@
 
 library dart2js.parser.classes;
 
-import '../options.dart' show ParserOptions;
 import '../tokens/token.dart' show Token;
 import 'listener.dart' show Listener;
 import 'partial_parser.dart' show PartialParser;
 
 class ClassElementParser extends PartialParser {
-  ClassElementParser(Listener listener, ParserOptions options)
-      : super(listener, options);
+  ClassElementParser(Listener listener): super(listener);
 
   Token parseClassBody(Token token) => fullParseClassBody(token);
 }