chore: remove ntfy from update package index builds

.crow/update-package-index-ubuntu-2204-arm64.yaml

@@ -75,13 +75,3 @@ steps:
       curl -sL -X POST -H "AccessKey: $BUNNYNET_API_KEY" https://api.bunny.net/purge?url=https%3A%2F%2Fcran.devxy.io%2Farm64%2Fjammy%2Flatest%2Fsrc%2Fcontrib%2FPACKAGES.db&async=false
       curl -sL -X POST -H "AccessKey: $BUNNYNET_API_KEY" https://api.bunny.net/purge?url=https%3A%2F%2Fcran.devxy.io%2Farm64%2Fjammy%2Flatest%2Fsrc%2Fcontrib%2FPMeta%2FParchive.rds&async=false
       sleep 20 # need to wait a bit to successfully deliver API calls
-
-  - name: 'ntfy'
-    image: binwiederhier/ntfy:v2.12.0
-    when:
-      - status: [failure]
-    environment:
-      NTFY_TOKEN:
-        from_secret: ntfy_token
-    commands: |
-      ntfy publish --tags=no_entry_sign --token $NTFY_TOKEN -t "Run '${CI_REPO}' failed" --click="${CI_PIPELINE_URL}" --actions="view, Open build, ${CI_PIPELINE_URL}, clear=true;" ntfy.devxy.io/ci-builds Workflow: ${CI_WORKFLOW_NAME} Commit message: ${CI_COMMIT_MESSAGE} Commit Author: ${CI_COMMIT_AUTHOR}