fix(readme): remove instructions for creating a new package

* Eliminated the section on generating a new package in the monorepo.
* This change streamlines the README and focuses on essential information.

Author: ccpu

setup/templates/clean-readme.md

@@ -25,14 +25,6 @@ pnpm lint
 pnpm format
 ```
 
-### Create a New Package
-
-Generate a new package in the monorepo:
-
-```sh
-pnpm run turbo:gen:init
-```
-
 ## 📦 Packages
 
 <!-- List your packages here -->