ref: https://github.com/rails/rails/pull/47105#issuecomment-1400843060

Removes the old `raise_on_missing_translations` accessors, that used to live [here](https://github.com/rails/rails/blob/fee61e3abc878e4d4930a0be0accf8e4569009a8/actionpack/lib/abstract_controller/translation.rb#L7) and [here](https://github.com/rails/rails/blob/5c835bd669ae996a30bcc914672c9941539a496e/actionview/lib/action_view/helpers/translation_helper.rb#L15).

Closes https://github.com/rails/rails/pull/45361