Cleanup notifications from travisci

.travis.yml

@@ -43,13 +43,4 @@ deploy:
       condition: $TRAVIS_OS_NAME = linux
 
 notifications:
-  webhooks:
-    urls:
-      - http://webhooks.rainbownerds.de:12345
-    on_success: always # default: always
-    on_failure: always # default: always
-    on_start: always   # default: never
-    on_cancel: always # default: always
-    on_error: always # default: always
-
   email: false