'Delete a file on the server.
L{removeFile} issues a I{DELE} command to the server to remove the
indicated file.  Note that this command cannot remove a directory.
@param path: The path to the file to delete. May be relative to the
current dir.
@type path: C{str}
@return: A L{Deferred} which fires when the server responds.  On error,
it is errbacked with either L{CommandFailed} or L{BadResponse}.  On
success, it is called back with a list of response lines.
@rtype: L{Deferred}
@since: 8.2'

def removeFile(self, path):

    return self.queueStringCommand(('DELE    ' + self.escapePath(path)))
