ARM: plat-mxc: Remove unused imx_ioremap

imx_ioremap is no longer used on imx platforms, so remove it.

As the EXPORT_SYMBOL_GPL is removed, it is also safe to remove the module.h header.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/plat-mxc/system.c

@@ -21,7 +21,6 @@
 #include <linux/io.h>
 #include <linux/err.h>
 #include <linux/delay.h>
-#include <linux/module.h>
 
 #include <mach/hardware.h>
 #include <mach/common.h>
@@ -29,9 +28,6 @@
 #include <asm/proc-fns.h>
 #include <asm/mach-types.h>
 
-void __iomem *(*imx_ioremap)(unsigned long, size_t, unsigned int) = NULL;
-EXPORT_SYMBOL_GPL(imx_ioremap);
-
 static void __iomem *wdog_base;
 
 /*