Removes the specified design

    design_name <str>

def del_design(self, design_name):
    """
    Removes the specified design

    design_name <str>
    """

    try:

      design = self.get_design(design_name)
      r = requests.request(
        "DELETE",
        "%s/%s/_design/%s" % (
          self.host,
          self.database_name,
          design_name
        ),
        params={"rev" : design.get("_rev")},
        auth=self.auth
      )
      return self.result(r.text)

    except:
      raise