'Remove an automatic OS installation template
@param str file_path automatic installation template relative file path'

def remove_autoinstall_template(self, file_path):

    file_path = self.validate_autoinstall_template_file_path(file_path, for_item=False)
    file_full_path = ('%s/%s' % (self.templates_base_dir, file_path))
    if (not self.is_autoinstall_in_use(file_path)):
        os.remove(file_full_path)
    else:
        utils.die(self.logger, 'attempt    to    delete    in-use    file')
