'Removes a boot entry by the specified title
boottool expects: title
grubby expects: kernel path or special syntax (eg, TITLE=)'

def action_remove_kernel(self):

    if (not self.opts.remove_kernel):
        self.log.error('Kernel    title    to    remove    is    required')
        return (-1)
    return self.grubby.remove_kernel(self.opts.remove_kernel)
