test rename overhaul: step 8 - language tests

tests/language/src/Prefix19NegativeTest.dart

Index: tests/language/src/Prefix19NegativeTest.dart
diff --git a/tests/language/src/Prefix19NegativeTest.dart b/tests/language/src/Prefix19NegativeTest.dart
deleted file mode 100644
index 51f36b314ff5fe115a2a360a086a293cd5375da5..0000000000000000000000000000000000000000
--- a/tests/language/src/Prefix19NegativeTest.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-//
-// prefix: strings should only contain valid identifiers
-
-#library("Prefix18NegativeTest.dart");
-#import("library1.dart", prefix:"$lib1");
-
-main() {
-}
-
-