mm: remove VM_FAULT_MINOR

The define has a comment from Nick Piggin from 2007:

 /* For backwards compat. Remove me quickly. */

I guess 9 years should not be too hurried sense of 'quickly' even for
kernel measures.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index abe2a95..97135b6 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -295,7 +295,7 @@
 	up_read(&mm->mmap_sem);
 
 	/*
-	 * Handle the "normal" case first - VM_FAULT_MAJOR / VM_FAULT_MINOR
+	 * Handle the "normal" case first - VM_FAULT_MAJOR
 	 */
 	if (likely(!(fault & (VM_FAULT_ERROR | VM_FAULT_BADMAP |
 			      VM_FAULT_BADACCESS))))