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/maybe/template.yml

@@ -1,22 +0,0 @@
-variables:
-  main_domain: ${domain}
-  secret_key_base: ${base64:64}
-  synth_api_key: ${base64:32}
-
-config:
-  domains:
-    - serviceName: app
-      port: 3000
-      host: ${main_domain}
-
-  env:
-    SECRET_KEY_BASE: ${secret_key_base}
-    SELF_HOSTED: "true"
-    SYNTH_API_KEY: ${synth_api_key}
-    RAILS_FORCE_SSL: "false"
-    RAILS_ASSUME_SSL: "false"
-    GOOD_JOB_EXECUTION_MODE: "async"
-
-  mounts:
-    - filePath: ./uploads
-      content: "This is where user uploads will be stored"