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: I897b82a12198ab951ebad99e3bdf59314ec4e936
diff --git a/.zuul.yaml b/.zuul.yaml
index 46ccf7f..61c94c3 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -1,5 +1,4 @@
 - project:
-    name: openstack/heat-tempest-plugin
     check:
       jobs:
         - heat-functional-orig-mysql-lbaasv2