Remove ava-playback

Fixes #33

readme.md

@@ -43,7 +43,6 @@
 - [jscodeshift-ava-tester](https://github.com/jfmengels/jscodeshift-ava-tester) - Test [jscodeshift](https://github.com/facebook/jscodeshift) codemods with AVA.
 - [ava-preact-init](https://github.com/avajs/ava-preact-init) - Set up AVA for Preact.
 - [ava-fixture](https://github.com/unional/ava-fixture) - Run fixture/baseline tests.
-- [ava-playback](https://github.com/dempfi/ava-playback) - Record and playback HTTP requests.
 - [ava-fast-check](https://github.com/dubzzz/ava-fast-check) - Property based testing.
 - [ava-fixture-docker-db](https://github.com/cdaringe/ava-fixture-docker-db) - Add docker databases to your test contexts.
 - [ava-webcomponents](https://github.com/Wildhoney/ava-webcomponents) - Testing web components via Puppeteer.