Correct create-cgitrepos projects.yaml versioning

* jeepyb/cmd/create_cgitrepos.py: For backwards compatibility, the
number of YAML documents in the YAML file tells us where to look.
Just always use the last one.

Change-Id: Iffb0a88273dee0abc42664a891ca8ef28a9fc7fb
diff --git a/jeepyb/cmd/create_cgitrepos.py b/jeepyb/cmd/create_cgitrepos.py
index 0234c46..1572a44 100644
--- a/jeepyb/cmd/create_cgitrepos.py
+++ b/jeepyb/cmd/create_cgitrepos.py
@@ -27,8 +27,6 @@
 
 PROJECTS_YAML = os.environ.get('PROJECTS_YAML',
                                '/home/cgit/projects.yaml')
-PROJECTS_INI = os.environ.get('PROJECTS_INI',
-                              '/home/gerrit2/projects.ini')
 CGIT_REPOS = os.environ.get('CGIT_REPOS',
                             '/etc/cgitrepos')
 REPO_PATH = os.environ.get('REPO_PATH',
@@ -42,10 +40,7 @@
 
 def main():
     yaml_docs = [config for config in yaml.safe_load_all(open(PROJECTS_YAML))]
-    if os.path.exists(PROJECTS_INI):
-        config = yaml_docs[0]
-    else:
-        config = yaml_docs[1]
+    config = yaml_docs[-1]
     gitorgs = {}
     names = set()
     for entry in config: