refactor: remove deprecated YAML template files

- Deleted all 'template.yml' files from various blueprints as part of the transition to TOML format.
- Updated the script to delete the 'template.yml' files instead of converting them to 'template.toml'.

blueprints/ryot/template.yml

@@ -1,18 +0,0 @@
-variables:
-  main_domain: ${domain}
-  postgres_password: ${password}
-  admin_access_token: ${base64:32}
-
-config:
-  domains:
-    - serviceName: ryot-app
-      port: 8000
-      host: ${main_domain}
-
-  env:
-    POSTGRES_PASSWORD: ${postgres_password}
-    ADMIN_ACCESS_TOKEN: ${admin_access_token}
-    # Optional: Uncomment and set your pro key if you have one
-    # SERVER_PRO_KEY: "your_pro_key_here"
-
-  mounts: []