Revert "hack to enable preemption"

This reverts commit 25b3397.

Author: asm582

pkg/controller/quota/quotaforestmanager/qm_lib_backend_with_quotasubt_mgr.go

@@ -541,14 +541,7 @@ func (qm *QuotaManager) Fits(aw *arbv1.AppWrapper, awResDemands *clusterstateapi
 		qm.removeConsumer(consumerID)
 		return doesFit, preemptIds, strings.TrimSpace(allocResponse.GetMessage())
 	}
-	if len(allocResponse.GetPreemptedIds()) > 0 {
-		preemptIds = qm.getAppWrappers(allocResponse.GetPreemptedIds())
-	} else {
-		var s []string
-		s = append(s, allocResponse.GetConsumerID())
-		preemptIds = qm.getAppWrappers(s)
-	}
-
+	preemptIds = qm.getAppWrappers(allocResponse.GetPreemptedIds())
 	return doesFit, preemptIds, strings.TrimSpace(allocResponse.GetMessage())
 }