ARM: imx_v4_v5_defconfig: Remove CONFIG_MACH_MX25_3DS

We do not have CONFIG_MACH_MX25_3DS platform anymore, so update the defconfig.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/configs/imx_v4_v5_defconfig

@@ -24,7 +24,6 @@ CONFIG_ARCH_MXC=y
 CONFIG_MACH_SCB9328=y
 CONFIG_MACH_APF9328=y
 CONFIG_MACH_MX21ADS=y
-CONFIG_MACH_MX25_3DS=y
 CONFIG_MACH_EUKREA_CPUIMX25SD=y
 CONFIG_SOC_IMX25=y
 CONFIG_MACH_MX27ADS=y