Remove url tags from README

The tags framework has been discontinued for a long time.

https://governance.openstack.org/tc/reference/tags/

https://governance.openstack.org/tc/resolutions/20211224-tags-framework-removal.html

Change-Id: I51315599b1f18d2ee74bcb0c41c97779653097bc
Signed-off-by: Ivan Anfimov <lazekteam@gmail.com>

README.rst

@@ -1,15 +1,11 @@
-========================
-Team and repository tags
-========================
+=============
+Neutron FWaaS
+=============
 
 .. image:: https://governance.openstack.org/tc/badges/neutron-fwaas.svg
-    :target: https://governance.openstack.org/tc/reference/tags/index.html
 
 .. Change things from this point on
 
-Welcome!
-========
-
 This package contains the code for the Neutron Firewall as a Service
 (FWaaS) service. This package requires Neutron to run.
 
@@ -20,12 +16,11 @@ The homepage for Neutron is: https://launchpad.net/neutron.  Use this
 site for asking for help, and filing bugs. We use a single Launchpad
 page for all Neutron projects.
 
-Code is available on git.openstack.org at:
-<https://opendev.org/openstack/neutron-fwaas>.
+Code is available on opendev.org at:
+https://opendev.org/openstack/neutron-fwaas
 
 Please refer to Neutron documentation for more information:
 `Neutron README.rst <https://opendev.org/openstack/neutron/src/branch/master/README.rst>`_
 
 Get release notes:
 `Neutron FWaaS Release Notes <https://docs.openstack.org/releasenotes/neutron-fwaas/>`_
-