m68k: removed unused "mach_get_ss"

The m68k machine helper function "mach_get_ss" function pointer is
set for some machines, but ultimately never used anywhere. Remove it.

Reviewed-by: Geert Uytterhoeven <[e-mail]>
Acked-by: Geert Uytterhoeven <[e-mail]>
Reviewed-by: Arnd Bergmann <[e-mail]>
Signed-off-by: Greg Ungerer <[e-mail]>

arch/m68k/hp300/config.c

···
 	return 0;
 }
 
-static unsigned int hp300_get_ss(void)
-{
-	return hp300_rtc_read(RTC_REG_SEC1) * 10 +
-		hp300_rtc_read(RTC_REG_SEC2);
-}
-
 static void __init hp300_init_IRQ(void)
 {
 }
···
 	mach_init_IRQ        = hp300_init_IRQ;
 	mach_get_model       = hp300_get_model;
 	mach_hwclk	     = hp300_hwclk;
-	mach_get_ss	     = hp300_get_ss;
 	mach_reset           = hp300_reset;
 #ifdef CONFIG_HEARTBEAT
 	mach_heartbeat       = hp300_pulse;

arch/m68k/include/asm/machdep.h

···
 extern void (*mach_get_hardware_list) (struct seq_file *m);
 /* machine dependent timer functions */
 extern int (*mach_hwclk)(int, struct rtc_time*);
-extern unsigned int (*mach_get_ss)(void);
 extern int (*mach_get_rtc_pll)(struct rtc_pll_info *);
 extern int (*mach_set_rtc_pll)(struct rtc_pll_info *);
 extern void (*mach_reset)( void );

arch/m68k/kernel/setup_mm.c

···
 void (*mach_init_IRQ) (void) __initdata = NULL;
 void (*mach_get_model) (char *model);
 void (*mach_get_hardware_list) (struct seq_file *m);
-unsigned int (*mach_get_ss)(void);
-EXPORT_SYMBOL(mach_get_ss);
 void (*mach_reset)( void );
 void (*mach_halt)( void );
 void (*mach_power_off)( void );

arch/m68k/q40/config.c

···
 extern void q40_sched_init(void);
 
 static int q40_hwclk(int, struct rtc_time *);
-static unsigned int q40_get_ss(void);
 static int q40_get_rtc_pll(struct rtc_pll_info *pll);
 static int q40_set_rtc_pll(struct rtc_pll_info *pll);
 
···
 
 	mach_init_IRQ = q40_init_IRQ;
 	mach_hwclk = q40_hwclk;
-	mach_get_ss = q40_get_ss;
 	mach_get_rtc_pll = q40_get_rtc_pll;
 	mach_set_rtc_pll = q40_set_rtc_pll;
 
···
 	}
 
 	return 0;
-}
-
-static unsigned int q40_get_ss(void)
-{
-	return bcd2bin(Q40_RTC_SECS);
 }
 
 /* get and set PLL calibration of RTC clock */