We send you a link in a transaction memo. If steemit wallet is not working, you can try for example steemdb: https://steemdb.com/@michaelluchies/transfers
The one from 11 days ago is:
Please update your delegation: https://steemconnect.com/sign/delegateVestingShares?delegator=michaelluchies&delegatee=otobot&vesting_shares=0.000000%20VESTS or via Vessel: https://www.minnowbooster.com/vessel/michaelluchies/otobot/0.000000%20VESTS
Thank you for the help! I was able to undelegate. Thanks!