Remove tools/zuul.conf-sample

This is not used anymore, remove it.

It was part of the Zuul v2 testing.

Change-Id: I59f57ca9f7ee681145060a9010186b54c4806dea

tools/zuul.conf-sample

@@ -1,45 +0,0 @@
-[gearman]
-server=127.0.0.1
-
-[gearman_server]
-start=true
-
-[zuul]
-layout_config=/etc/zuul/layout.yaml
-log_config=/etc/zuul/logging.conf
-pidfile=/var/run/zuul/zuul.pid
-state_dir=/var/lib/zuul
-status_url=https://jenkins.example.com/zuul/status
-
-[merger]
-git_dir=/var/lib/zuul/git
-;git_user_email=zuul@example.com
-;git_user_name=zuul
-zuul_url=http://zuul.example.com/p
-
-[swift]
-authurl=https://identity.api.example.org/v2.0/
-user=username
-key=password
-
-default_container=logs
-region_name=EXP
-logserver_prefix=http://logs.example.org/server.app/
-
-[webapp]
-listen_address=0.0.0.0
-port=8001
-
-[connection gerrit]
-driver=gerrit
-server=review.example.com
-;baseurl=https://review.example.com/r
-user=jenkins
-sshkey=/home/jenkins/.ssh/id_rsa
-
-[connection smtp]
-driver=smtp
-server=localhost
-port=25
-default_from=zuul@example.com
-default_to=you@example.com