title: Remove Multiple Categories from Product In HYbris Using Impex
body: <p>How multiple categories can be removed and added to a product using impex in HYbris
  in a single row
  Something like:</p>
  
  <pre><code>REMOVE CategoryProductRelation;target[unique=true](code,$catalogVersion);source[unique=true](code,$catalogVersion)
  
  ;xyz;cat1,cat2,cat3
  </code></pre>