style(map.jinja): remove empty line

nginx/map.jinja

@@ -21,7 +21,6 @@
             'openssl_package': 'openssl',
             'package_repo_keyring': '/usr/share/keyrings/nginx-archive-keyring.gpg',
             'passenger_package_repo_keyring': '/usr/share/keyrings/phusionpassenger-archive-keyring.gpg',
-
         },
         'CentOS': {
             'package': 'nginx',