cpplint: declare bankruptcy

README.md

@@ -31,9 +31,11 @@ that apply to that project.
 * [TypeScript Style Guide][ts]
 * [Vim script Style Guide][vim]
 
-This project also contains [cpplint][cpplint], a tool to assist with style guide
-compliance, and [google-c-style.el][emacs], an Emacs settings file for Google
-style.
+This project also contains [google-c-style.el][emacs], an Emacs settings file
+for Google style.
+
+We used to host the [cpplint tool](https://github.com/cpplint/cpplint), but it
+has been forked and an open source community has taken over public maintenance.
 
 If your project requires that you create a new XML document format, the
 [XML Document Format Style Guide][xml] may be helpful. In addition to actual
@@ -85,7 +87,6 @@ primarily optimizing for Google's internal needs.
 [angular]: https://google.github.io/styleguide/angularjs-google-style.html
 [cl]: https://google.github.io/styleguide/lispguide.xml
 [vim]: https://google.github.io/styleguide/vimscriptguide.xml
-[cpplint]: https://github.com/google/styleguide/tree/gh-pages/cpplint
 [emacs]: https://raw.githubusercontent.com/google/styleguide/gh-pages/google-c-style.el
 [xml]: https://google.github.io/styleguide/xmlstyle.html
 [dart]: https://www.dartlang.org/guides/language/effective-dart

cppguide.html

@@ -2171,7 +2171,7 @@ <h3 id="cpplint">cpplint</h3>
 how to run <code>cpplint.py</code> from their project
 tools. If the project you are contributing to does not,
 you can download
-<a href="https://raw.githubusercontent.com/google/styleguide/gh-pages/cpplint/cpplint.py">
+<a href="https://raw.githubusercontent.com/cpplint/cpplint/HEAD/cpplint.py">
 <code>cpplint.py</code></a> separately.</p>
 </div>