Update gradle.yml

Author: RobWin

.github/workflows/gradle.yml

@@ -27,5 +27,3 @@ jobs:
       signing-key-id: ${{ secrets.GPG_SUBKEY_ID }}
       signing-key: ${{ secrets.GPG_PRIVATE_KEY }}
       signing-key-password: ${{ secrets.GPG_PASSPHRASE }}
-      registry-username: ${{ github.actor }}
-      registry-password: ${{ secrets.GITHUB_TOKEN }}