This variable no longer used. Since we do not rely on gengetopt's
implementation of --version any more, this does not matter much.
Let's fix it anyway.
define ggo_opts
--output-dir=$(cmdline_dir) \
define ggo_opts
--output-dir=$(cmdline_dir) \
- --set-version="$(GIT_VERSION) ($(codename))" \
+ --set-version="$(GIT_VERSION)" \
--arg-struct-name=$(*F)_args_info \
--file-name=$(*F).cmdline \
--func-name=$(*F)_cmdline_parser \
--arg-struct-name=$(*F)_args_info \
--file-name=$(*F).cmdline \
--func-name=$(*F)_cmdline_parser \