Remove gitter.im hook

sebastianbergmann · sebastianbergmann · commit ca4109280677 · 2016-08-28T07:57:42.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -25,10 +25,4 @@ script:
 
 notifications:
   email: false
-  webhooks:
-    urls:
-      - https://webhooks.gitter.im/e/6668f52f3dd4e3f81960
-    on_success: always
-    on_failure: always
-    on_start: false
 
