zuul: remove legacy-tempest-dsvm-neutron-dvr-multinode-full

The job was part of the neutron experimental queue but then removed
during the ussuri lifecycle.
See https://review.opendev.org/#/c/693630/

Conflicts:
	.zuul.yaml
The content of .zuul.yaml changed slightly.

Change-Id: I04717b95dd44ae89f24bd74525d1c9607e3bc0fc
(cherry picked from commit bce4a3ab97)
(cherry picked from commit cf399a363c)
(cherry picked from commit b1ead1fb2a)
(cherry picked from commit 7b005f3785)

.zuul.yaml

@@ -411,21 +411,6 @@
               - ^tests-py3.txt$
               - ^tools/.*$
               - ^tox.ini$
-        - legacy-tempest-dsvm-neutron-dvr-multinode-full:
-            irrelevant-files:
-              - ^(placement-)?api-.*$
-              - ^(test-|)requirements.txt$
-              - ^.*\.rst$
-              - ^.git.*$
-              - ^doc/.*$
-              - ^nova/hacking/.*$
-              - ^nova/locale/.*$
-              - ^nova/tests/.*$
-              - ^releasenotes/.*$
-              - ^setup.cfg$
-              - ^tests-py3.txt$
-              - ^tools/.*$
-              - ^tox.ini$
         - neutron-tempest-dvr-ha-multinode-full:
             irrelevant-files:
               - ^(placement-)?api-.*$