turn off email notifications

FrogTheFrog · FrogTheFrog · commit 731c76e53573 · 2017-11-08T14:04:27.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -18,5 +18,5 @@ script:
   - npm run build:dist
   - npm run ${BUILD_SCRIPT}
 notifications:
-  slack:
+  email:
     on_success: never
