x86 hpet.h: remove broken links

Signed-off-by: NDave Young <hidave.darkstar@gmail.com>
Acked-by: NRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: NAdrian Bunk <bunk@kernel.org>

include/asm-x86/hpet.h

@@ -3,12 +3,6 @@
 
 #ifdef CONFIG_HPET_TIMER
 
-/*
- * Documentation on HPET can be found at:
- *      http://www.intel.com/ial/home/sp/pcmmspec.htm
- *      ftp://download.intel.com/ial/home/sp/mmts098.pdf
- */
-
 #define HPET_MMAP_SIZE		1024
 
 #define HPET_ID			0x000