Remove unused methods in 2FA OTP Auth Controller (#24220)

app/controllers/settings/two_factor_authentication/otp_authentication_controller.rb

@@ -22,18 +22,9 @@ module Settings
 
       private
 
-      def confirmation_params
-        params.require(:form_two_factor_confirmation).permit(:otp_attempt)
-      end
-
       def verify_otp_not_enabled
         redirect_to settings_two_factor_authentication_methods_path if current_user.otp_enabled?
       end
-
-      def acceptable_code?
-        current_user.validate_and_consume_otp!(confirmation_params[:otp_attempt]) ||
-          current_user.invalidate_otp_backup_code!(confirmation_params[:otp_attempt])
-      end
     end
   end
 end