- removed registration of x86_6432 target because it's not supported in any
    way by the compiler (and furthermore it would have to be registerd in an
    the x86_64 compiler binary, not an i386 one) (mantis #25525)

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26460 3ad0048d-3df7-0310-abae-a5850022a9f2