remove unused artifactory

Author: blink1073

.github/workflows/release-python.yml

@@ -47,7 +47,6 @@ jobs:
           aws_role_arn: ${{ secrets.AWS_ROLE_ARN }}
           aws_region_name: ${{ vars.AWS_REGION_NAME }}
           aws_secret_id: ${{ secrets.AWS_SECRET_ID }}
-          artifactory_username: ${{ vars.ARTIFACTORY_USERNAME }}
       - uses: mongodb-labs/drivers-github-tools/python/pre-publish@v3
         id: pre-publish
         with:
@@ -109,7 +108,6 @@ jobs:
           aws_role_arn: ${{ secrets.AWS_ROLE_ARN }}
           aws_region_name: ${{ vars.AWS_REGION_NAME }}
           aws_secret_id: ${{ secrets.AWS_SECRET_ID }}
-          artifactory_username: ${{ vars.ARTIFACTORY_USERNAME }}
       - uses: mongodb-labs/drivers-github-tools/python/post-publish@v3
         with:
           following_version: ${{ env.FOLLOWING_VERSION }}