Remove adding of secret key in the build, just make sure it's installed properly.

templates/packagebuild.xml

@@ -46,7 +46,6 @@ git clone {{ UPSTREAM_URL }} upstream;
 export VERSION="$(head -1 {{ NAME }}/debian/changelog | sed -n '/(/,/)/{:a; $!N; /)/!{$!ba}; s/.*(\([^)]*\)).*/\1/p}' | cut -d '-' -f1)+git$(date +'%Y%m%d%H%M')";
 sed -i "1i{{ NAME }} ($VERSION-0ubuntu1~ppa1) {{ RELEASE }}; urgency=low\n\n  * CI upload.\n\n –– Lugito <info@lubuntu.me>  $(date +'%a, %d %b %Y %T %z')\n" {{ NAME }}/debian/changelog;
 cat {{ NAME }}/debian/changelog;
-tar xf $GPG_KEY;
 gpg --list-keys
       </command>
     </hudson.tasks.Shell>
@@ -67,14 +66,5 @@ gpg --list-keys
       <disableDeferredWipeout>false</disableDeferredWipeout>
     </hudson.plugins.ws__cleanup.WsCleanup>
   </publishers>
-  <buildWrappers>
-    <org.jenkinsci.plugins.credentialsbinding.impl.SecretBuildWrapper plugin="credentials-binding@1.18">
-      <bindings>
-        <org.jenkinsci.plugins.credentialsbinding.impl.FileBinding>
-          <credentialsId>7d7933f8-ea4f-42b6-aaee-1b325bc75ca6</credentialsId>
-          <variable>GPG_KEY</variable>
-        </org.jenkinsci.plugins.credentialsbinding.impl.FileBinding>
-      </bindings>
-    </org.jenkinsci.plugins.credentialsbinding.impl.SecretBuildWrapper>
-  </buildWrappers>
+  <buildWrappers/>
 </project>