fix gpg release workflow by removing vestigial fingerprint var (#530)

Signed-off-by: grokspawn <jordan@nimblewidget.com>

Author: grokspawn

.github/workflows/deploy.yml

@@ -40,7 +40,6 @@ jobs:
         make release
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
 
   docker:
     # TODO(fabianvf): skip pushing images for now, reenable once we're