Revert "Made dart2js constructor lookup logic "private"-aware, fixed 4740 bug." and 5 subsequent at…

lib/compiler/implementation/universe/universe.dart

Index: lib/compiler/implementation/universe/universe.dart
diff --git a/lib/compiler/implementation/universe/universe.dart b/lib/compiler/implementation/universe/universe.dart
index 5dd6a4af6fd86c441ebb3d03ba1d1666ea3450e3..3baa353b64a6cb4590542ab0b1d7df70428119af 100644
--- a/lib/compiler/implementation/universe/universe.dart
+++ b/lib/compiler/implementation/universe/universe.dart
@@ -186,17 +186,6 @@ class Selector {
       : this(SelectorKind.CALL, Compiler.CALL_OPERATOR_NAME, null,
              selector.argumentCount, selector.namedArguments);
 
-  Selector.callConstructor(SourceString constructorName,
-                           LibraryElement library)
-      : this(SelectorKind.CALL,
-             constructorName,
-             library,
-             0,
-             const []);
-
-  Selector.callDefaultConstructor(LibraryElement library)
-      : this(SelectorKind.CALL, const SourceString(""), library, 0, const []);
-
   // TODO(kasperl): This belongs somewhere else.
   Selector.noSuchMethod()
       : this(SelectorKind.CALL, Compiler.NO_SUCH_METHOD, null, 2);