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/rackspace/util.sh

@@ -347,14 +347,6 @@ kube-up() {
   echo
 }
 
-function setup-logging-firewall {
-  echo "TODO: setup logging"
-}
-
-function teardown-logging-firewall {
-  echo "TODO: teardown logging"
-}
-
 # Perform preparations required to run e2e tests
 function prepare-e2e() {
   echo "Rackspace doesn't need special preparations for e2e tests"