[MIPS] time: remove unused mips_timer_state()

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/time.h b/include/asm-mips/time.h
index 7717934..a8fd16e 100644
--- a/include/asm-mips/time.h
+++ b/include/asm-mips/time.h
@@ -31,20 +31,13 @@
 extern int rtc_mips_set_mmss(unsigned long);
 
 /*
- * Timer interrupt functions.
- * mips_timer_state is needed for high precision timer calibration.
- */
-extern int (*mips_timer_state)(void);
-
-/*
  * board specific routines required by time_init().
  */
 extern void plat_time_init(void);
 
 /*
  * mips_hpt_frequency - must be set if you intend to use an R4k-compatible
- * counter as a timer interrupt source; otherwise it can be set up
- * automagically with an aid of mips_timer_state.
+ * counter as a timer interrupt source.
  */
 extern unsigned int mips_hpt_frequency;