complibs: remove help entries, as they're not used

The help entries for each of the companion libraries are now
wrong, and anyway are not displayed. Nuke, nuke, nuke...

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

 reporter_name="Remy Bohmer"

 reporter_url="linux@bohmer.net"

 reporter_comment="Example for building a toolchain for m68000 bare metal targets"