[MIPS] SNI: Remove unneeded sni_machine_halt

Signed-off-by: NYoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/sni/reset.c

@@ -40,10 +40,6 @@ void sni_machine_restart(char *command)
 	}
 }
 
-void sni_machine_halt(void)
-{
-}
-
 void sni_machine_power_off(void)
 {
 	*(volatile unsigned char *)PCIMT_CSWCSM = 0xfd;

arch/mips/sni/setup.c

@@ -26,7 +26,6 @@
 unsigned int sni_brd_type;
 
 extern void sni_machine_restart(char *command);
-extern void sni_machine_halt(void);
 extern void sni_machine_power_off(void);
 
 static void __init sni_display_setup(void)
@@ -87,7 +86,6 @@ void __init plat_mem_setup(void)
 	}
 
 	_machine_restart = sni_machine_restart;
-	_machine_halt = sni_machine_halt;
 	pm_power_off = sni_machine_power_off;
 
 	sni_display_setup();