Rename WordPress_Single_Instance_cfntools.template to not have cfntools in name

Signed-off-by: Steven Dake <sdake@redhat.com>

diff --git a/templates/WordPress_Single_Instance_cfntools.template b/templates/WordPress_Single_Instance.template
similarity index 100%
rename from templates/WordPress_Single_Instance_cfntools.template
rename to templates/WordPress_Single_Instance.template