code: def remove_provider(self, id):
          '''
          Remove the provider with the given id or :term:`URI`.
  
          :param str id: The identifier for the provider.
          :returns: A :class:`skosprovider.providers.VocabularyProvider` or
              `False` if the id is unknown.
          '''
          if id in self.providers:
              p = self.providers.get(id, False)
              del self.providers[id]
              del self.concept_scheme_uri_map[p.concept_scheme.uri]
              return p
          elif id in self.concept_scheme_uri_map:
              id = self.concept_scheme_uri_map[id]
              return self.remove_provider(id)
          else:
              return Falsf remove_provider(self, id):
          '''
          Remove the provider with the given id or :term:`URI`.
  
          :param str id: The identifier for the provider.
          :returns: A :class:`skosprovider.providers.VocabularyProvider` or
              `False` if the id is unknown.
          '''
          if id in self.providers:
              p = self.providers.get(id, False)
              del self.providers[id]
              del self.concept_scheme_uri_map[p.concept_scheme.uri]
              return p
          elif id in self.concept_scheme_uri_map:
              id = self.concept_scheme_uri_map[id]
              return self.remove_provider(id)
          else:
              return False
docs: Remove the provider with the given id or :term:`URI`.
  
          :param str id: The identifier for the provider.
          :returns: A :class:`skosprovider.providers.VocabularyProvider` or
              `False` if the id is unknown.