Remove unnecessary field in the "Feature Request" issue template

[Readpato]

Describe the feature

Remove the field displaying "Could this feature be implemented as a module?" as it doesn't fit in our project.

Additional information

• [X] Would you be willing to help implement this feature?
• [ ] Could this feature be implemented as a module?

Final checks

• [X] Read the code of conduct.
• [X] Check existing issues.