fix schedule concurrency

Author: Zettat123

services/actions/schedule_tasks.go

@@ -52,20 +52,6 @@ func startTasks(ctx context.Context) error {
 
 		// Loop through each spec and create a schedule task for it
 		for _, row := range specs {
-			// cancel running jobs if the event is push
-			if row.Schedule.Event == webhook_module.HookEventPush {
-				// cancel running jobs of the same workflow
-				if err := actions_model.CancelPreviousJobs(
-					ctx,
-					row.RepoID,
-					row.Schedule.Ref,
-					row.Schedule.WorkflowID,
-					webhook_module.HookEventSchedule,
-				); err != nil {
-					log.Error("CancelPreviousJobs: %v", err)
-				}
-			}
-
 			if row.Repo.IsArchived {
 				// Skip if the repo is archived
 				continue