Revert "fix timezone selection, closes https://github.com/opnsense/core/issues/1973"
Revert "fix timezone selection, closes https://github.com/opnsense/core/issues/1973"

This reverts commit a79be1b112207c6d8d9c47c670dd8bb59b75f9fe.

opnsense/core,opnsense/core,opnsense/core,opnsense/core,opnsense/core,opnsense/core