Updated AFK

[JimzDK]

Just a little cleanup of client/afk.lua

Questions (please complete the following information):

• Have you personally loaded this code into an updated qbcore project and checked all it's functionality? yes
• Does your code fit the style guidelines? yes
• Does your PR fit the contribution guidelines? yes

[github-actions[bot]]

This PR has had 60 days of inactivity & will close within 7 days