Nice try, Mr Bear, and you are not the first person to have thought of this strategy.
It might delay proceedings a little, though not for long.
If the employee hasn't been there a year and there's no danger from invoking one of the 'automatically unfair' reasons for dismissal, it's a simple case of writing to the individual giving notice of 'You're out, Jimmy'.
With longer service, it's a simple case of creating of audit trail of a few letters, inviting attendance, with at least one asserting 'failure to attend or explain absence may lead to your dismissal'.
Closely followed by the final letter that says, 'You're out, Jimmy' (see above)