Remove no-op template blocks
Renaming PHX2 -> IAD2 with existing IAD2 conditional template blocks
left some in the form...:
{% if datacenter == 'iad2' %}
...
{% elif datacenter == 'iad2' %}
...
...making the second block a no-op. Remove them.
Follow up to commit 7984b46eb79575516fe6d5179a52d4bf11ddc6e6
Signed-off-by: Nils Philippsen <nils@redhat.com>