Revert "enhance analyzer to parse uppercase and built-in/pseudo keywords"

pkg/front_end/test/token_test.dart

Index: pkg/front_end/test/token_test.dart
diff --git a/pkg/front_end/test/token_test.dart b/pkg/front_end/test/token_test.dart
index 3358b81ef288e9f04279e4228cb13472189eddff..6e25376804f64c53530765f38fc829436fd74ae8 100644
--- a/pkg/front_end/test/token_test.dart
+++ b/pkg/front_end/test/token_test.dart
@@ -159,14 +159,6 @@ class Foo {
   List<Keyword> get _allKeywords =>
       new List.from(Keyword.values)..addAll(fasta.Keyword.values);
 
-  void test_all_keywords() {
-    var keywords = new Set<fasta.Keyword>.from(fasta.Keyword.values);
-    for (Keyword kw in Keyword.values) {
-      expect(keywords.remove(kw), isTrue, reason: kw.name);
-    }
-    expect(keywords, isEmpty);
-  }
-
   void test_built_in_keywords() {
     var builtInKeywords = new Set<Keyword>.from([
       Keyword.ABSTRACT,