Move OperationsController#reset_alerting_token from EE to CE
Summary
Contributes to #42640 (closed)
Move OperationsController#reset_alerting_token and its dependencies from EE domain to CE.
OperationsController#reset_alerting_token- Route
Operations::UpdateService#alerting_settings_params
Improvements
Moving Prometheus alerts from EE to CE requires a lot of code changes. All the required changes can be split and moved in several steps (as described here).