Bug 910854 - [Clock] Reduce analog face resizing from 4 sizes to 3 sizes

- `clock_view.js`
    - Changed to resize to 3 sizes instead of 4
    - Removed reference to 'marks' CSS
- `clock.css`
    - Renamed 'marks' size classes to 'small', 'medium', 'large'
- Tests
    - Tested manually on desktop and on Inari
    - Unit test in `clock_view_test.js` testing basic `resizeAnalogClock` functionality