cilium: encryption: encrypt ot any endpoint with a key assigned
cilium: encryption: encrypt ot any endpoint with a key assigned

Currently, we check the sectx to verify it is not WORLD_ID before
encrypting. This check is not needed if a key exists for the endpoint
then encrypt it. We will not have keys for non-Cilium managed entites.

Signed-off-by: John Fastabend <ee461b60978bea1c76b3018c0b89685175b248e2@gmail.com>

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