MIPS: GT64120: Remove useless inclusion of clocksource.h.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/gt64120.h

@@ -21,8 +21,6 @@
 #ifndef _ASM_GT64120_H
 #define _ASM_GT64120_H
 
-#include <linux/clocksource.h>
-
 #include <asm/addrspace.h>
 #include <asm/byteorder.h>