refactor: use dixDestroyPixmap() instead of direct driver proc calls
As preparation for lightening up the screen proc wrapping jungle (*1), some major blockers need to be cleaned up - one of them is many sites directly calling into the raw ScreenRec's DestroyPixmap() proc vector, instead of calling the corresponding dix function: dixDestroyPixmap().
Therefore, all call sites need to be fixed to call dixDestroyPixmap() - including drivers.
*1) https://lists.x.org/archives/xorg-devel/2024-September/059319.html
See:
Edited by Enrico Weigelt, metux IT consult