code: def remove_ctx(properties):
      
      result = {}
  
      for name in properties:
          elt_properties = properties[name]
          result[name] = []
          for _, value in elt_properties:
              result[name].append(value)
  
      return result
docs: Transform a dictionary of {name: [(elt, value)+]} into a dictionary of
          {name: [value+]}.
  
      :param dict properties: properties from where get only values.
      :return: dictionary of parameter values by names.
      :rtype: dict