You need to make almost the same post request as enabling share.
<ControlAccessParams xmlns="http://www.vmware.com/vcloud/v1.5"> <IsSharedToEveryone>false</IsSharedToEveryone> </ControlAccessParams>
I am just looking to remove access for one user from the access setting xml list.
I can traverse the list and remove that one object by matching the href that i am looking for.
I was wondering if there is an easier way that i can use.