chore: regens API reference docs (#889)

diff --git a/docs/epy/googleapiclient.schema.Schemas-class.html b/docs/epy/googleapiclient.schema.Schemas-class.html
index 6d26d7d..4e9513e 100644
--- a/docs/epy/googleapiclient.schema.Schemas-class.html
+++ b/docs/epy/googleapiclient.schema.Schemas-class.html
@@ -58,15 +58,7 @@
 <!-- ==================== CLASS DESCRIPTION ==================== -->
 <h1 class="epydoc">Class Schemas</h1><p class="nomargin-top"><span class="codelink"><a href="googleapiclient.schema-pysrc.html#Schemas">source&nbsp;code</a></span></p>
 <center>
-<center>  <map id="uml_class_diagram_for_googleap_44" name="uml_class_diagram_for_googleap_44">
-<area shape="rect" id="node1_4" href="googleapiclient.schema.Schemas-class.html#__init__" title="Constructor." alt="" coords="17,38,215,58"/>
-<area shape="rect" id="node1_5" href="googleapiclient.schema.Schemas-class.html#prettyPrintByName" title="Get pretty printed object prototype from the schema name." alt="" coords="17,58,215,78"/>
-<area shape="rect" id="node1_6" href="googleapiclient.schema.Schemas-class.html#prettyPrintSchema" title="Get pretty printed object prototype of schema." alt="" coords="17,78,215,98"/>
-<area shape="rect" id="node1_7" href="googleapiclient.schema.Schemas-class.html#get" title="Get deserialized JSON schema from the schema name." alt="" coords="17,98,215,118"/>
-<area shape="rect" id="node1" href="googleapiclient.schema.Schemas-class.html" title="Schemas for an API." alt="" coords="5,5,227,124"/>
-</map>
-  <img src="uml_class_diagram_for_googleap_44.gif" alt='' usemap="#uml_class_diagram_for_googleap_44" ismap="ismap" class="graph-without-title" />
-</center>
+
 </center>
 <hr />
 <pre class="literalblock">
@@ -488,7 +480,7 @@
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-    Generated by Epydoc 3.0.1 on Fri Jun 14 15:57:29 2019
+    Generated by Epydoc 3.0.1 on Thu Apr 30 17:06:06 2020
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     <td align="right" class="footer">
       <a target="mainFrame" href="http://epydoc.sourceforge.net"