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: I34872b5c9a2ed82a8dd1e7112453c0d99cb5e0ba
diff --git a/.zuul.yaml b/.zuul.yaml
index b51babb..48cf0de 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -9,7 +9,7 @@
       - zuul: openstack-dev/devstack
     vars:
       devstack_services:
-        tempest: True
+        tempest: true
     run: playbooks/devstack-tempest.yaml
     post-run: playbooks/post-tempest.yaml
 
@@ -29,7 +29,7 @@
     vars:
       tox_envlist: full
       devstack_localrc:
-        ENABLE_FILE_INJECTION: True
+        ENABLE_FILE_INJECTION: true
 
 - job:
     name: tempest-tox-plugin-sanity-check
@@ -108,7 +108,6 @@
       - openstack/zun-tempest-plugin
 
 - project:
-    name: openstack/tempest
     check:
       jobs:
         - devstack-tempest: