arm: Rely on generic printing of preemption model

__die() invokes later __show_regs() -> show_regs_print_info() which
prints the current preemption model.
Remove it from the initial line.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20250314160810.2373416-4-bigeasy@linutronix.de