Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/cloudfunctions_v1beta2.projects.html b/docs/dyn/cloudfunctions_v1beta2.projects.html
index ee66233..a096b10 100644
--- a/docs/dyn/cloudfunctions_v1beta2.projects.html
+++ b/docs/dyn/cloudfunctions_v1beta2.projects.html
@@ -72,7 +72,7 @@
 
 </style>
 
-<h1><a href="cloudfunctions_v1beta2.html">Google Cloud Functions API</a> . <a href="cloudfunctions_v1beta2.projects.html">projects</a></h1>
+<h1><a href="cloudfunctions_v1beta2.html">Cloud Functions API</a> . <a href="cloudfunctions_v1beta2.projects.html">projects</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="cloudfunctions_v1beta2.projects.locations.html">locations()</a></code>