tests: Fix success message for policy id remove
tests: Fix success message for policy id remove

This final success output differed from most tests, because it just
called log rather than using test_succeeded.

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

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