Both @satnam6502 and E2E tests confirm: This code is no longer needed

Deletion is wonderful. The only weird thing was where to put the
message about the proxy URLs. Satnam suggested kubectl clusterinfo,
which seemed like a good option to put at the end of cluster turn-up.

cluster/vagrant/util.sh

@@ -343,11 +343,3 @@ function restart-apiserver {
 function prepare-e2e() {
   echo "Vagrant doesn't need special preparations for e2e tests" 1>&2
 }
-
-function setup-logging-firewall {
-  echo "TODO: setup logging"
-}
-
-function teardown-logging-firewall {
-  echo "TODO: teardown logging"
-}