> build: Drop non-existent share/pkgconfig directory
> build: Remove unneeded share/doc directory from expat package
> build: Remove empty var/cache/fontconfig directory from fontconfig
> build: Remove unneeded share/man directory from freetype package
> build: Remove unneeded share/man directory from libXau package
This is a backport of [[https://github.com/bitcoin/bitcoin/pull/22783 | core#22783]]
Depends on D13872