Remove everything but markdown from third_party

third_party/pkg/js/update-ghpages.dart

Index: third_party/pkg/js/update-ghpages.dart
diff --git a/third_party/pkg/js/update-ghpages.dart b/third_party/pkg/js/update-ghpages.dart
deleted file mode 100644
index 73d53057427980b1daed19b902ed45df66b1a9f9..0000000000000000000000000000000000000000
--- a/third_party/pkg/js/update-ghpages.dart
+++ /dev/null
@@ -1,14 +0,0 @@
-import 'package:ghpages_generator/ghpages_generator.dart' as gh;
-
-/**
- * Run this file to update the _gh-pages_ branch with a fresh dartdoc of
- * the library and examples compiled through dart2js.
- * Once ran you only have to push the _gh-pages_ branch to github.
- */
-main() {
-  new gh.Generator()
-  ..setDartDoc(['lib/js.dart'], excludedLibs: ['metadata'], outDir: 'docs')
-  ..setExamples(true)
-  ..templateDir = 'gh-pages-template'
-  ..generate();
-}