lib/ews/soap/exchange_web_service.rb
def remove_delegate(owner, delegate)
      action = "#{SOAP_ACTION_PREFIX}/RemoveDelegate"
      resp = invoke("#{NS_EWS_MESSAGES}:RemoveDelegate", action) do |root|
        build!(root) do
          remove_delegate!(owner, delegate)
        end
      end
      parse_soap_response(resp)
    end
def remove_delegate(owner, delegate)
      action = "#{SOAP_ACTION_PREFIX}/RemoveDelegate"
      resp = invoke("#{NS_EWS_MESSAGES}:RemoveDelegate", action) do |root|
        build!(root) do
          remove_delegate!(owner, delegate)
        end
      end
      parse_soap_response(resp)
    end
Removes one or more delegates from a user's mailbox.
 @see http://msdn.microsoft.com/en-us/library/bb856564.aspx

 @param [String] owner The user that is delegating permissions
 @param [String] delegate The user that is being given delegate permission