Patch for Additional.lyx re IOP

[Pavel Sanda]

On Wed, Nov 30, 2022 at 09:50:13AM +0000, John Robert Hudson wrote:
> IOP BibTeX style still in CTAN

> From a749bd02272fc3320147931f0c7c24e10620fb6e Mon Sep 17 00:00:00 2001
> From: John R Hudson <j.r.hudson at virginmedia.com>
> Date: Wed, 30 Nov 2022 09:45:48 +0000
> Subject: [PATCH] IOP class no longer in CTAN; remove IOP section

After the last discussion should this patch still go into 2.4?
Pavel