README.md & Travis cleanup

Remove the IRC notifications from Travis (we're not using IRC anymore), and the
stable/experimental badge from README.md (because they aren't being kept up to date).

Signed-off-by: Gergely Nagy <algernon@keyboard.io>

.travis.yml

@@ -7,13 +7,6 @@ install:
 script:
   - make travis-test BOARD_HARDWARE_PATH=$(pwd)/hardware
 notifications:
-  irc:
-    channels:
-      - "chat.freenode.net#keyboardio"
-    use_notice: true
-    skip_join: true
-    template:
-      - "%{repository_name}/%{branch} %{commit} by %{author}: %{commit_subject} %{build_url} %{message}"
   email:
     on_success: change
     on_failure: change

README.md

@@ -1,14 +1,10 @@
 # Kaleidoscope-USB-Quirks
 
-![status][st:experimental] [![Build Status][travis:image]][travis:status]
+[![Build Status][travis:image]][travis:status]
 
  [travis:image]: https://travis-ci.org/keyboardio/Kaleidoscope-USB-Quirks.svg?branch=master
  [travis:status]: https://travis-ci.org/keyboardio/Kaleidoscope-USB-Quirks
 
- [st:stable]: https://img.shields.io/badge/stable-✔-black.svg?style=flat&colorA=44cc11&colorB=494e52
- [st:broken]: https://img.shields.io/badge/broken-X-black.svg?style=flat&colorA=e05d44&colorB=494e52
- [st:experimental]: https://img.shields.io/badge/experimental----black.svg?style=flat&colorA=dfb317&colorB=494e52
-
 USB-Quirks provides a few methods to deal with more obscure parts of the USB spec, such as changing between `Boot` and `Report` protocols. These are in a separate plugin, because these features are not part of the USB spec, and are often workarounds for various issues. See the provided methods for more information about what they're useful for.
 
 ## Using the plugin