Revert "SelfSizingStereoCell should use MDCTypography instead of hardcoding its own font opacity (#5361)" (#5405)
Revert "SelfSizingStereoCell should use MDCTypography instead of hardcoding its own font opacity (#5361)" (#5405)

This reverts commit 5dbec5b8a9b7324d1f02bbfd0eaf877fc8b6bb50.

Per convention, components should have reasonable defaults and limited dependencies on a theming systems.  This addresses comments from within b/117395438 and https://github.com/material-components/material-components-ios/issues/5348
material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios