sh: fault: Fix duplicate printing of "PC:"

sh: fault: Fix duplicate printing of "PC:"

[ Upstream commit 845d9156febcd6b3b20c0c2c8d73b461b48e844c ]

Somewhere along the patch handling path, both the old "printk(KERN_ALERT
....)" and the new "pr_alert(...)" were retained, leading to the
duplicate printing of "PC:".

Drop the old one.

Fixes: eaabf98b0932a540 ("sh: fault: modernize printing of kernel messages")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rich Felker <dalias@libc.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>