code: func (obj *Doc) DeleteConnection(ctx context.Context, connectionId string) error {
  	err := obj.rpc(ctx, "DeleteConnection", nil, connectionId)
  	return err 
  }
docs: // Deletes a connection.
  // In Qlik Sense Enterprise, there is an additional file connection named AttachedFiles . The AttachedFiles connection can only be removed by the administrator of the system.
  //
  // Parameters:
  //
  // ◾ connectionId   -   Identifier of the connection to remove.
  //