CONTRIBUTING: delete reference to gitter

jepler · jepler · commit 9ddf60f8b458 · 2018-03-21T21:35:07.000-05:00
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -8,8 +8,7 @@ so will result in corrective actions such as time out or ban from the project.
 ## Developer contact
 [@tannewt](https://github.com/tannewt) is the main developer of CircuitPython
 and is sponsored by [Adafruit Industries LLC](https://adafruit.com). He is
-reachable on [Discord](https://adafru.it/discord) as tannewt and
-[Gitter](gitter.im/adafruit/circuitpython) as tannewt during US West Coast
+reachable on [Discord](https://adafru.it/discord) as tannewt during US West Coast
 working hours. He also checks GitHub issues and the [Adafruit support forum](https://forums.adafruit.com/viewforum.php?f=60).
 
 ## Licensing
