IORDAN RALUCA

Remove SnapKit from Settings and replace with layout constraints.

### Related issues: - [x] https://github.com/mozilla-mobile/focus-ios/issues/3170 - [x] https://github.com/mozilla-mobile/focus-ios/issues/2802 - [x] https://github.com/mozilla-mobile/focus-ios/issues/2803 - [x] https://github.com/mozilla-mobile/focus-ios/issues/1748 - [x] https://github.com/mozilla-mobile/focus-ios/issues/3185 - [x] https://github.com/mozilla-mobile/focus-ios/issues/3192 - [ ] https://github.com/mozilla-mobile/focus-ios/issues/3357 - [ ] https://github.com/mozilla-mobile/focus-ios/issues/3358

### Commit message Fixes #3380 - Remove SnapKit from Settings