code: def _remove_vlan_from_vnic_templates(self, handle, vlan_id, ucsm_ip):
          
          ucsm = CONF.ml2_cisco_ucsm.ucsms[ucsm_ip]
          vnic_template_info = ucsm.vnic_template_list.values()
  
          vlan_name = self.make_vlan_name(vlan_id)
  
          if not vnic_template_info:
              # Nothing to do
              return
          try:
              for temp_info in vnic_template_info:
                  vnic_template = temp_info.template
                  vnic_template_path = temp_info.path
  
                  vnic_template_full_path = (vnic_template_path +
                      const.VNIC_TEMPLATE_PREFIX + str(vnic_template))
                  LOG.debug('vnic_template_full_path: %s',
                      vnic_template_full_path)
                  mo = handle.query_dn(vnic_template_full_path)
                  if not mo:
                      LOG.error('UCS Manager network driver could '
                                'not find VNIC template %s at',
                          vnic_template_full_path)
                      continue
  
                  vlan_dn = (vnic_template_full_path +
                      const.VLAN_PATH_PREFIX + vlan_name)
                  LOG.debug('VNIC Template VLAN path; %s', vlan_dn)
                  eth_if = handle.query_dn(vlan_dn)
  
                  if not eth_if:
                      LOG.error('UCS Manager network driver could not '
                                'delete VLAN %(vlan_name)s from VNIC '
                                'template %(vnic_template_full_path)s',
                          {'vlan_name': vlan_name,
                          'vnic_template_full_path':
                          vnic_template_full_path})
                  if eth_if:
                      handle.remove_mo(eth_if)
              handle.commit()
              return True
          except Exception as e:
              return self._handle_ucsm_exception(e, 'VNIC Template',
                                                 vlan_id, ucsm_ip)
docs: Removes VLAN from all VNIC templates that have it enabled.