The core code already has a check for pXd_none(), so remove it from the
architecture implementation.

Link: http://lkml.kernel.org/r/1544120495-17438-4-git-send-email-will.deacon@arm.comSigned-off-by: NWill Deacon <will.deacon@arm.com>
Acked-by: NThomas Gleixner <tglx@linutronix.de>
Reviewed-by: NToshi Kani <toshi.kani@hpe.com>
Cc: Chintan Pandya <cpandya@codeaurora.org>
Cc: Toshi Kani <toshi.kani@hpe.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>