feat: support eviction of failed bare pods

This patch adds the policy(evictFailedBarePods) to allow the failed
pods without ownerReferences to be evicted. For backward compatibility,
disable the policy by default. Address #644.

test/e2e/e2e_duplicatepods_test.go

@@ -150,6 +150,7 @@ func TestRemoveDuplicates(t *testing.T) {
 				true,
 				false,
 				false,
+				false,
 			)
 
 			t.Log("Running DeschedulerStrategy strategy")