docs: Remove copy paste

Signed-off-by: Julien Riou <julien@riou.xyz>

roles/forgejo_runners/README.md

@@ -2,17 +2,6 @@
 
 Ansible role to manage [Forgejo](https://forgejo.org/) runners.
 
-## Configuration
-
-See [Variable
-precedence](https://docs.ansible.com/ansible/latest/playbook_guide/playbooks_variables.html#ansible-variable-precedence)
-to find where you should put your own variables.
-
-Then define at least `forgejo_db_password` with a strong and secure password,
-encrypted using
-[ansible-vault](https://docs.ansible.com/ansible/latest/cli/ansible-vault.html).
-
-
 ## Table of Content
 
 <!-- ANSIBLE DOCSMITH TOC START -->