Remove cinder from service names

In devstack job, cinder is not a valid service name and logs error
in gate[1] so remove it.

2021-09-28 05:44:47.791807 | controller | + functions-common:service_check:1603      :   for service in ${ENABLED_SERVICES//,/ }
2021-09-28 05:44:47.795506 | controller | + functions-common:service_check:1605      :   sudo systemctl is-enabled devstack@cinder.service
2021-09-28 05:44:47.809647 | controller | Failed to get unit file state for devstack@cinder.service: No such file or directory

[1] https://e978bdcfc0235dcd9417-6560bc3b6382c1d289b358872777ca09.ssl.cf1.rackcdn.com/801989/7/check/tempest-integrated-storage/779d1e7/job-output.txt

Change-Id: I7ca105201d82b72c7e56778425d3bce7c76047db
diff --git a/.zuul.yaml b/.zuul.yaml
index d1e356f..25cbf92 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -524,7 +524,6 @@
         c-bak: true
         c-sch: true
         c-vol: true
-        cinder: true
         # Services we don't need.
         # This section is not really needed, it's for readability.
         horizon: false