WIP feat: Settings - Decouple from shield

[najdanovicivan]

Description Decouple settings library so it is not required. Related to #1215

Checklist:

• [ ] Securely signed commits
• [ ] Component(s) with PHPDoc blocks, only if necessary or adds value
• [ ] Unit testing, with >80% coverage
• [ ] User guide updated
• [ ] Conforms to style guide