Automatic merge from submit-queue (batch tested with PRs 63580, 63744, 64541, 64502, 64100). 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>.
Add more kubectl auth reconcile flags
```release-note
The --remove-extra-subjects and --remove-extra-permissions flags have been enabled for kubectl auth reconcile
```
/assign @deads2k
cc @enj @juanvallejo