Revert "x86/alternative: Print unadorned pointers"

This reverts commit 67eb59b8.

It's not needed in 4.14.y and only causes messy debugging messages, if
anyone actually cares about these random debug messages in the first
place (doubtful).

Reported-by: Kees Cook <keescook@google.com>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: riel@redhat.com
Cc: ak@linux.intel.com
Cc: peterz@infradead.org
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: jikos@kernel.org
Cc: luto@amacapital.net
Cc: dave.hansen@intel.com
Cc: torvalds@linux-foundation.org
Cc: keescook@google.com
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: tim.c.chen@linux.intel.com
Cc: gregkh@linux-foundation.org
Cc: pjt@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>