appveyor: disable deploy to GitHub

appveyor.yml

@@ -171,17 +171,6 @@ artifacts:
   - path: $(BUILD_UPDATE)
     name: update
 
-deploy:
-  provider: GitHub
-  release: $(appveyor_repo_tag_name)
-  auth_token:
-    secure: "dbpsMC/MgPKWFNJCXpQl4cR8FYhepkPLjgNp/pRMktZ8oLKTqPYErfreaIxb/4P1"
-  artifact: update,build
-  draft: false
-  prerelease: false
-  on:
-    appveyor_repo_tag: true
-
 notifications:
   - provider: Webhook
     url: https://api.citra-emu.org/code/appveyor/notify