scripts/internal: cleanup build symlinks

The symlinks are needed only during the build process.
The final gcc will still search those dirs, but will also search
the standard lib/ dirs, so we can get rid of the symlinks.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

# m68k specific configuration file

# depends on EXPERIMENTAL

config ARCH_m68k

    select ARCH_SUPPORTS_32

    select ARCH_DEFAULT_32

    select ARCH_DEFAULT_BE

    select ARCH_SUPPORT_CPU

     help

      The m68k architecture