Revokes queue privilege from a grantee.
procedure RevokeQueuePrivilege(Privilege: TQueuePrivilege; const Grantee: string);
Call the RevokeQueuePrivilege method to revoke queue privilege from a grantee. The privilege can be qpEnqueue (ENQUEUE privilege), qpDequeue (DEQUEUE privilege) or qpAll (both ENQUEUE and DEQUEUE privileges).