[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 ad1af2e436f60bc56cbd7528b7e22aa4a2530976)

services/actions/notifier_helper.go

@@ -434,18 +434,6 @@ 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)
 	}