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: I1a71f9f60ac67b174f57ae584a71a97fd4a00a2c
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index 8736718..6bb6b07 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -1,5 +1,4 @@
 - project:
-    name: openstack/ironic-tempest-plugin
     check:
       jobs:
         - ironic-dsvm-standalone