Revert "[ACTIONS] on.schedule: the event is always "schedule""

This reverts commit 403bb4bf48.

services/actions/notifier_helper.go

@@ -508,7 +508,7 @@ func handleSchedules(
 			TriggerUserID: input.Doer.ID,
 			Ref:           input.Repo.DefaultBranch,
 			CommitSHA:     commit.ID.String(),
-			Event:         webhook_module.HookEventType(api.HookScheduleCreated),
+			Event:         input.Event,
 			EventPayload:  string(p),
 			Specs:         schedules,
 			Content:       dwf.Content,

services/actions/schedule_tasks.go

@@ -112,7 +112,6 @@ func CreateScheduleTask(ctx context.Context, cron *actions_model.ActionSchedule)
 		Ref:           cron.Ref,
 		CommitSHA:     cron.CommitSHA,
 		Event:         cron.Event,
-		TriggerEvent:  string(webhook_module.HookEventSchedule),
 		EventPayload:  cron.EventPayload,
 		ScheduleID:    cron.ID,
 		Status:        actions_model.StatusWaiting,