function removeNamedEntity(entity, identifier, name) {
  this.namedEntities[entity].delete(name);
  this.nlpManager.removeNamedEntityText(identifier, identifier, SUPPORTED_LANGUAGES, [name]);
}
@description Remove a room.
@param {string} entity - The entity type.
@param {string} identifier - The identifier of the entity.
@param {string} name - The name of the entity.
@example
brain.removeNamedEntity(room);