gnucash-docs stable: Remove extraneous and incorrect DESTDIR variable.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/64e9e74a (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/438cebd1 (commit)



commit 64e9e74a7afe31a6f08f897e896d8b68b62079e7
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Aug 15 07:32:28 2024 -0700

    Remove extraneous and incorrect DESTDIR variable.



Summary of changes:
 cmake/AddXdgHelpTarget.cmake | 5 -----
 1 file changed, 5 deletions(-)