remove outdated comments

playbooks/gce/openshift-cluster/config.yml

@@ -1,6 +1,4 @@
 ---
-# TODO: fix firewall related bug with GCE and origin, since GCE is overriding
-# /etc/sysconfig/iptables
 - include: ../../common/openshift-cluster/config.yml
   vars_files:
   - ../../gce/openshift-cluster/vars.yml

playbooks/gce/openshift-cluster/tasks/launch_instances.yml

@@ -1,7 +1,4 @@
 ---
-# TODO: when we are ready to go to ansible 1.9+ support only, we can update to
-# the gce task to use the disk_auto_delete parameter to avoid having to delete
-# the disk as a separate step on termination
 - name: Launch instance(s)
   gce:
     instance_names: "{{ instances }}"