Update vulkan-validationlayers to version 1.3.239.0 / rev 41 via SR 1066257
https://build.opensuse.org/request/show/1066257
by user jengelh + dimstar_suse
- Rework xxhash.diff, remove ver.diff,
cure unresolved symbols [boo#1208172].
- Delete vulkan-validationlayers-devel