Remove old tox jobs

Change-Id: Ife2b603710e8bdba7eac5fffe68dc41c97f336cf
diff --git a/.zuul.yaml b/.zuul.yaml
index d3be81b..daf309c 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -2,11 +2,6 @@
     name: openstack-infra/zuul
     check:
       jobs:
-        - tox-docs
-        - tox-cover
-        - tox-linters
-        - tox-py35
-        - tox-tarball
         - zuul-tox-docs
         - zuul-tox-cover
         - zuul-tox-linters