Remove unused patentPolicy variable

Co-authored-by: Denis Ah-Kang <1696128+deniak@users.noreply.github.com>

Author: kfranqueiro

lib/specberus-wrapper.js

@@ -22,7 +22,6 @@ SpecberusWrapper.validate = async (url, stateMetadata) => {
   let specberusProfile;
 
   const profile = stateMetadata.get('profile');
-  const patentPolicy = stateMetadata.get('patentPolicy');
   if (
     ['WD', 'CR', 'CRD'].includes(profile) ||
     (profile === 'REC' && stateMetadata.get('recCandidateAmendments'))