x86/mm: Kill stray kernel fault handling comment

I originally had matching user and kernel comments, but the kernel
one got improved.  Some errant conflict resolution kicked the commment
somewhere wrong.  Kill it.
Reported-by: NEric W. Biederman <ebiederm@xmission.com>
Signed-off-by: NDave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Jann Horn <jannh@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: aa37c51b ("x86/mm: Break out user address space handling")
Link: http://lkml.kernel.org/r/20181019140842.12F929FA@viggo.jf.intel.comSigned-off-by: NIngo Molnar <mingo@kernel.org>

arch/x86/mm/fault.c

@@ -963,7 +963,6 @@ bad_area_access_error(struct pt_regs *regs, unsigned long error_code,
 		__bad_area(regs, error_code, address, vma, SEGV_ACCERR);
 }
 
-/* Handle faults in the kernel portion of the address space */
 static void
 do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
 	  u32 *pkey, unsigned int fault)