How to undelegate Steem Power.
Head over to SteemConnect using the link below.
Scroll down to Undelegate Vesting shares.
Fill in the Delegator and Delegatee username:
(Click on generate link)
Copy the link provided and paste it in your browser address bar.
Confirm the operation by clicking on Continue.
Signin to SteemConnect using your Steemit username and your Active Key.
Congratulations, you have successfully undelegated your Steem Power.
(NOTE: It will take a Maximum of seven days before your Steem power is reflected back to you Steemit account).