Remove old metadata

File already contained metadata, I should have fixed it in c227235 instead of adding yet another set

xml/MAIN.public-cloud.xml

@@ -56,13 +56,6 @@
    <author><personname><firstname>Christoph</firstname><surname>Wickert</surname></personname> <contrib>Writer</contrib></author>
    <author><personname><firstname>Robert</firstname><surname>Schweikert</surname></personname> <contrib>Reviewer</contrib></author>
   </authorgroup>
-  <meta name="title" its:translate="yes">Public Cloud Guide</meta>
-  <meta name="series" its:translate="no">Products &amp; Solutions</meta>
-  <meta name="description" its:translate="yes">How to use &sle; in public clouds</meta>
-  <meta name="social-descr" its:translate="yes">Use &slea; in public clouds</meta>
-  <meta name="task" its:translate="no">
-    <phrase>Cloud</phrase>
-  </meta>
   <revhistory xml:id="rh-public-cloud">
     <revision>
       <date>2022-02-10</date>