[DOC] Fix type with DELETE, not GET.
[DOC] Fix type with DELETE, not GET.

zealord/gatewayd,xdv/gatewayd,Parkjeahwan/awegeeks,xdv/gatewayd,crazyquark/gatewayd,Parkjeahwan/awegeeks,whotooktwarden/gatewayd,zealord/gatewayd,crazyquark/gatewayd,whotooktwarden/gatewayd