tests: deprecate 12-policy-import.sh
tests: deprecate 12-policy-import.sh

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

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