ARM: OMAP2+: Remove duplicate omap4430_init_late() declaration

Commit bbd707a {ARM: omap2: use machine specific hook for late init}
accidentally added two declarations for omap4430_init_late().

Remove the duplicate declaration.

Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/common.h

@@ -108,7 +108,6 @@ void omap35xx_init_late(void);
 void omap3630_init_late(void);
 void am35xx_init_late(void);
 void ti81xx_init_late(void);
-void omap4430_init_late(void);
 int omap2_common_pm_late_init(void);
 
 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)