Update appveyor.yml

Author: retailcoder

appveyor.yml

@@ -164,7 +164,6 @@ notifications:
     auth_token:
       secure: CfT1+dhcyG0rXqVRUsz4C21omXk+35gLP76TpFw5NEBQdbx39tdwSGAxqGY/HZfN
     template: "{{#passed}}:white_check_mark:{{/passed}}{{#failed}}:x:{{/failed}} [Build {{&projectName}} {{buildVersion}} {{status}}]({{buildUrl}}) (commit {{commitUrl}} by @{{&commitAuthorUsername}})"
-    settings:
-      on_build_success: true
-      on_build_failure: true
-      on_build_status_changed: true
+    on_build_success: true
+    on_build_failure: true
+    on_build_status_changed: true