URL Cleanup - remove obsolete ATOM schema location

See gh-22672

Author: sbrannen

spring-web/src/test/resources/org/springframework/http/converter/feed/atom.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<feed xmlns="http://www.w3.org/2005/Atom" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-      xsi:schemaLocation="http://www.w3.org/2005/Atom https://www.kbcafe.com/rss/atom.xsd.xml">
+<feed xmlns="http://www.w3.org/2005/Atom" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <title>title</title>
     <subtitle>subtitle</subtitle>
     <entry>