Revert "Towards compiling Hello World!" and "Compile and run Hello World!"

pkg/compiler/lib/src/serialization/system.dart

Index: pkg/compiler/lib/src/serialization/system.dart
diff --git a/pkg/compiler/lib/src/serialization/system.dart b/pkg/compiler/lib/src/serialization/system.dart
index bed0dc0ee1868ad015828a35d6994ee1c69d1c55..4d05ff8b3f50c92a69fd07acf70030150ccf1527 100644
--- a/pkg/compiler/lib/src/serialization/system.dart
+++ b/pkg/compiler/lib/src/serialization/system.dart
@@ -100,7 +100,7 @@ class ResolutionDeserializerSystem extends DeserializerSystem {
           // TODO(johnniwinther): Find a cleaner way to do this. Maybe
           // `Feature.LAZY_FIELD` of the resolution impact should be used
           // instead.
-          _compiler.backend.constants.registerLazyStatic(field);
+          _compiler.backend.constants.registerLazyStatic(element);
         }
       }
     }