cc/gcc: remove now useless condition-variable

Both core pass-1 and -2 compilers are unconditionally built,
so we no longer require a condition variable.

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