Discard OTP when high risk card disappears (EXPOSUREAPP-5144) (#2353)

* Discard one time password when risk state changes from HIGH to LOW

* Call oneTimePasswordRepo.clear() instead of settings.clear() in resetSurvey() of Surveys.kt

* Remove suspend modifier from resetSurvey() function

* Add log statement in resetSurvey()

Co-authored-by: Ralf Gehrer <ralfgehrer@users.noreply.github.com>
Co-authored-by: harambasicluka <64483219+harambasicluka@users.noreply.github.com>
Co-authored-by: BMItter <46747780+BMItter@users.noreply.github.com>