libc/newlib: remove getting from CVS

We now have the ability to use a custom local directory/tarball, so
it no longer makes sense to have the ability to use the CVS repository.

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

 python

 import sys

 sys.path.insert(0, '@@PREFIX@@/share/gcc-@@VERSION@@/python')

 from libstdcxx.v6.printers import register_libstdcxx_printers

 register_libstdcxx_printers (None)

 end