Remove reference to GITHUB_ACTOR.

I think it's there by default

Author: philsttr

.github/workflows/build.yml

@@ -86,7 +86,6 @@ jobs:
       - name: Release
         run: ./mvnw --batch-mode --no-transfer-progress --show-version --settings .github/maven/settings.xml --activate-profiles ossrh release:prepare release:perform
         env:
-          GITHUB_ACTOR: ${{ GITHUB_ACTOR }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
           OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}