pkg/policy: remove outdated TODO message
pkg/policy: remove outdated TODO message

Unit tests are added for ResolveL4EgressPolicy, so remove TODO message to add unit tests.

Signed-off by: Ian Vernon <ian@cilium.io>

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