Revert "Move `analyzer_cli` into the SDK."

pkg/analyzer_cli/CONTRIBUTOR.md

Index: pkg/analyzer_cli/CONTRIBUTOR.md
diff --git a/pkg/analyzer_cli/CONTRIBUTOR.md b/pkg/analyzer_cli/CONTRIBUTOR.md
deleted file mode 100644
index 91298d8784c57e69e5b92fbf02753235b0184534..0000000000000000000000000000000000000000
--- a/pkg/analyzer_cli/CONTRIBUTOR.md
+++ /dev/null
@@ -1,33 +0,0 @@
-# Contribute to dartanalyzer
-
-To _use_ the dartanalyzer command-line tool, see the 
-[user docs](https://github.com/dart-lang/analyzer_cli/blob/master/README.md#analyzer_cli). 
-This page contains information relevant for contributors to dartanalyzer.
-
-## Can I help?
-
-Yes!
-
-Start by [using the tool](README.md) and filing issues and requests.
-
-See the interface for the Dart `analyzer` library 
-[package](https://pub.dartlang.org/packages/analyzer).
-
-If you want to contribute, check out the
-[issue tracker](https://github.com/dart-lang/analyzer_cli/issues).
-If you want to add a new feature that's not yet in the issue tracker,
-start by opening an issue. Thanks!
-
-[![Build Status](https://travis-ci.org/dart-lang/analyzer_cli.svg)](https://travis-ci.org/dart-lang/analyzer_cli)
-[![Build status](https://ci.appveyor.com/api/projects/status/48jv262mnbohjb9m?svg=true)](https://ci.appveyor.com/project/sethladd/analyzer-cli)
-[![Coverage Status](https://coveralls.io/repos/dart-lang/analyzer_cli/badge.svg)](https://coveralls.io/r/dart-lang/analyzer_cli)
-
-## Features and bugs
-
-Please file feature requests and bugs at the [issue tracker][tracker].
-
-[tracker]: https://github.com/dart-lang/analyzer_cli/issues
-
-## License
-
-Please see the [dartanalyzer license](https://github.com/dart-lang/analyzer_cli/blob/master/LICENSE).