Zuul: Remove project name

Zuul no longer requires the project-name for in-repo configuration.
Omitting it makes forking or renaming projects easier.

Change-Id: Iecfb1a20f3a62216dc9033dcb51456d9788c791f

.zuul.yaml

@@ -26,28 +26,27 @@
     vars:
       devstack_services:
         # is there a way to disable all services?  I only want barbican
-        ceilometer-acentral: False
-        ceilometer-acompute: False
-        ceilometer-alarm-evaluator: False
-        ceilometer-alarm-notifier: False
-        ceilometer-anotification: False
-        ceilometer-api: False
-        ceilometer-collector: False
-        horizon: False
-        s-account: False
-        s-container: False
-        s-object: False
-        s-proxy: False
+        ceilometer-acentral: false
+        ceilometer-acompute: false
+        ceilometer-alarm-evaluator: false
+        ceilometer-alarm-notifier: false
+        ceilometer-anotification: false
+        ceilometer-api: false
+        ceilometer-collector: false
+        horizon: false
+        s-account: false
+        s-container: false
+        s-object: false
+        s-proxy: false
       devstack_plugins:
         barbican: git://git.openstack.org/openstack/barbican
       tox_environment:
         PYTHONUNBUFFERED: 'true'
-      tox_install_siblings: False # I don't know what this means
+        tox_install_siblings: false # I don't know what this means
       tox_envlist: functional
       zuul_work_dir: src/git.openstack.org/openstack/castellan
 
 - project:
-    name: openstack/castellan
     check:
       jobs:
         - castellan-functional-vault