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: If7a78120f43934b9ab8936401abd880b036958ed
diff --git a/.zuul.yaml b/.zuul.yaml
index ed79eac..a8c34fe 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -1,5 +1,4 @@
 - project:
-    name: openstack/manila-tempest-plugin
     check:
       jobs:
         - manila-tempest-dsvm-mysql-generic: