ARM: imx: Remove the duplicated function declaration

Removed the duplicated function declaration of mxc_timer_init
which was already declared in drivers/clk/imx/clk.h.
Signed-off-by: NShenwei Wang <shenwei.wang@freescale.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

arch/arm/mach-imx/common.h

@@ -44,7 +44,6 @@ void imx27_soc_init(void);
 void imx31_soc_init(void);
 void imx35_soc_init(void);
 void epit_timer_init(void __iomem *base, int irq);
-void mxc_timer_init(unsigned long, int);
 int mx1_clocks_init(unsigned long fref);
 int mx21_clocks_init(unsigned long lref, unsigned long fref);
 int mx27_clocks_init(unsigned long fref);