Automatic merge from submit-queue (batch tested with PRs 54031, 54261). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Allow absent Weight if PrioritizeVerb is empty The scheduler currently validates `ExtenderConfig.Weight` (the weight applied to `Prioritize`) even when `ExtenderConfig.PrioritizeVerb` is empty, which is not correct. A configuration without these two fields should be allowed. **Release note**: ``` None ``` /sig scheduling