This patch removes deprecated methods from Neutron DHCP provider:
* create_cleaning_ports
* delete_cleaning_ports
Also drop related methods from deploy_utils in ironic.drivers.modules
* prepare_cleaning_ports
* tear_down_cleaning_ports
If you have your own custom ironic DHCP provider that implements
cleaning methods, you may need to update your code to use the
add_cleaning_network() and remove_cleaning_network() network interface
methods.
They were deprecated in I0c26582b6b6e9d32650ff3e2b9a3269c3c2d5454
Change-Id: I758e5b21028a4dfcca9c907c63020d0cfca4e37d
Closes-Bug: #1642512