'Deletes the specified instance template. If you delete an instance
template that is being referenced from another instance group, the
instance group will not be able to create or recreate virtual machine
instances. Deleting an instance template is permanent and cannot be
undone.
Scopes needed - one of the following:
* https://www.googleapis.com/auth/cloud-platform
* https://www.googleapis.com/auth/compute
:param  instancetemplate:  The name of the instance template to
delete.
:type   instancetemplate: ``str``
:return  instanceTemplate:  Return True if successful.
:rtype   instanceTemplate: ````bool````'

def ex_destroy_instancetemplate(self, instancetemplate):

    request = ('/global/instanceTemplates/%s' % instancetemplate.name)
    request_data = {}
    self.connection.async_request(request, method='DELETE', data=request_data)
    return True
