Added locale es.lua and removed unused locale

[Cocodrulo]

Describe Pull request
These changes add the Spanish locale and remove an used locale, on_radio to be specific.

If your PR is to fix an issue mention that issue here: It does not relate to any issue

Questions (please complete the following information):

• Have you personally loaded this code into an updated qbcore project and checked all it's functionality? no (But it shouldn't be any problem)
• Does your code fit the style guidelines? yes
• Does your PR fit the contribution guidelines? yes