maps/ipcache: Add mechanism to detect delete support
maps/ipcache: Add mechanism to detect delete support

ipcache.SupportsDelete() blocks until a delete occurs, then returns
whether the deletion was successful or not. This can be used to
determine whether periodic deletion of the IPCache map on the filesystem
is necessary or not.

Signed-off-by: Joe Stringer <16a9a54ddf4259952e3c118c763138e83693d7fd@covalent.io>

michi-covalent/cilium,tgraf/cilium,scanf/cilium,michi-covalent/cilium,cilium/cilium,cilium/cilium,tgraf/cilium,scanf/cilium,tgraf/cilium,tgraf/cilium,michi-covalent/cilium,tgraf/cilium,tklauser/cilium,tklauser/cilium,tgraf/cilium,cilium/cilium,tklauser/cilium,cilium-team/cilium,cilium-team/cilium,scanf/cilium,tklauser/cilium,scanf/cilium,michi-covalent/cilium,cilium/cilium,scanf/cilium,scanf/cilium,cilium/cilium,scanf/cilium,tklauser/cilium,michi-covalent/cilium