{
  "drupal": {
    "server": {
      "web_user": "www-data",
      "web_group": "www-data",
      "assets": "/assets",
      "base": "/srv/www"
    },
    "sites": {
      "example": {
        "active": true,
        "deploy": {
          "action": ["deploy", "install"],
          "releases": 1
        },
        "drupal": {
          "version": "7.26",
          "install": {
            "install_configure_form.update_status_module": "'array(FALSE,FALSE)'",
            "--clean-url": 1
          },
          "settings": {
            "profile": "standard",
            "files": "sites/default/files",
            "cookbook": "drupal",
            "settings": {
              "default": {
                "location": "sites/default/settings.php"
              }
            },
            "db_name": "example",
            "db_host": "localhost",
            "db_prefix": "",
            "db_driver": "mysql",
            "db_file": ""
          }
        },
        "repository": {
          "host": "github.com",
          "uri": "https://github.com/drupal/drupal.git",
          "revision": "7.26"
        },
        "web_app": {
          "80": {
            "server_name": "drupal.local",
            "rewrite_engine": "On",
            "docroot": "/srv/www/example/current"
          }
        }
      }
    }
  }
}

{
  "drupal": {
    "sites": {
      "example": {
        "active": true,
        "deploy": {
          "action": ["deploy", "install"],
          "releases": 1
        },
        "drupal": {
          "version": "7.26",
          "install": {
            "install_configure_form.update_status_module": "'array(FALSE,FALSE)'",
            "--clean-url": 1
          },
          "settings": {
            "profile": "standard",
            "files": "sites/default/files",
            "cookbook": "drupal",
            "settings": {
              "default": {
                "location": "sites/default/settings.php"
              }
            },
            "db_name": "example",
            "db_host": "localhost",
            "db_prefix": "",
            "db_driver": "mysql",
            "db_file": ""
          }
        },
        "repository": {
          "host": "github.com",
          "uri": "https://github.com/drupal/drupal.git",
          "revision": "7.26"
        },
        "web_app": {
          "80": {
            "server_name": "drupal.local",
            "rewrite_engine": "On",
            "docroot": "/srv/www/example/current"
          }
        }
      }
    }
  }
}

Remove default server settings from json
Remove default server settings from json
