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/browserless/template.yml

@@ -1,15 +0,0 @@
-variables:
-  main_domain: ${domain}
-  browserless_token: ${password:16}
-
-config:
-  domains:
-    - serviceName: browserless
-      port: 3000
-      host: ${main_domain}
-
-  env:
-    - BROWERLESS_HOST=${main_domain}
-    - BROWSERLESS_TOKEN=${browserless_token}
-
-  mounts: []