Update appveyor.yml

Author: odinserj

appveyor.yml

@@ -67,14 +67,6 @@ deploy:
   - provider: NuGet
     skip_symbols: true
     api_key: 
-      secure: eMfWWcK9kTh3ADgxKEMIfF45qhJ1mcbHA8D/CghrGyxtPl92IoFGWrwxdiawEl/A
+      secure: GdfWH5BGrFoHBIuQPebg1ci3odJAeUUOZ2KFJR7y0mBU+kwicu/lNow1vRRjLBU3
     on:
       appveyor_repo_tag: true
-
-notifications:
-  - provider: Slack
-    incoming_webhook:
-      secure: bqJhjmwwsSMJ/8imZJBOOtwbsNF51p24M8HZlIx1+asIHHUhXWHrP9vkuOPK3OnqNopmloLOOBoaEpYAkClkDuEC61a5Go5NY9KSSB9UMjk=
-    on_build_success: false
-    on_build_failure: true
-    on_build_status_changed: true