Make some syntax changes and add delete-config-files to lively recipe

### Acceptance Criteria
- Lively recipe no longer uses double quotes and brackets where not necessary
- Additional `lively-delete-config-files` command has been added
- `creates "docs"` statements are removed

### Tasks
- Remove double quotes and brackets from strings that don't need to be evaluated
- Add `lively-delete-config-files` command
- Remove `creates "docs"` statements