Revert "speakup: Generate speakupmap.h automatically"

This reverts commit 6646b95a.

Stephen reports that it breaks the build for him so revert it for now.

Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/r/20220520194637.03824f7f@canb.auug.org.au


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>