[ACTIONS] on.schedule: do not cancel jobs

The cancelation of jobs is taken care of by handleWorkflows which is
called right after handleSchedules with the same event.

(cherry picked from commit ad1af2e436)
(cherry picked from commit e21252f147)

services/actions/notifier_helper.go

@@ -461,18 +461,6 @@ func handleSchedules(
 			Content:       dwf.Content,
 		}
 
-		// cancel running jobs if the event is push
-		if run.Event == webhook_module.HookEventPush {
-			// cancel running jobs of the same workflow
-			if err := actions_model.CancelRunningJobs(
-				ctx,
-				run.RepoID,
-				run.Ref,
-				run.WorkflowID,
-			); err != nil {
-				log.Error("CancelRunningJobs: %v", err)
-			}
-		}
 		crons = append(crons, run)
 	}