From your profile go to:
Privacy>
Click on Managers>
Click on Bulk Profile Managers Changes Tool>
Under What Would You Like to Do?
Click down arrow for drop down box>
Click on Remove yourself etc.>
Click Continue>
Type in your e-mail that you use for Wikitree>
Click on Continue>
Check the profiles from which to remove Gerald Jones as a Profile Manager.>
At page bottom click on Continue>
Done.