Remove redundant py3 integration job

Now that tempest-full-py3 is in the integrated gate there's no need
to have it again in tempest local .zuul.yaml check.

Change-Id: I10861232d9af772acb419fa10c590e13fb8a8fbc

.zuul.yaml

@@ -138,16 +138,6 @@
               - ^roles/
               - ^.zuul.yaml$
         - nova-multiattach
-        - tempest-full-py3:
-            irrelevant-files:
-              - ^(test-|)requirements.txt$
-              - ^.*\.rst$
-              - ^doc/.*$
-              - ^etc/.*$
-              - ^releasenotes/.*$
-              - ^setup.cfg$
-              - ^tempest/hacking/.*$
-              - ^tempest/tests/.*$
         - tempest-tox-plugin-sanity-check
     gate:
       jobs: