binfmt: remove taso from linux_binprm struct

binfmt: remove taso from linux_binprm struct

With commit 987f20a9dcce ("a.out: Remove the a.out implementation"), the
use of the special taso flag for alpha architectures in the linux_binprm
struct is gone.

Remove the definition of taso in the linux_binprm struct.

No functional change.

Signed-off-by: Lukas Bulwahn <[email protected]>
Reviewed-by: "Eric W. Biederman" <[email protected]>
Signed-off-by: Kees Cook <[email protected]>
Link: https://lore.kernel.org/r/[email protected]