package/util-linux: drop workaround for previously missing file

Drop UTIL_LINUX_FIX_DISK_UTILS_COMPILE which is not needed since bump to
version 2.37.4 in commit a586f0a2

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>