ARM: multi_v7_defconfig: Remove old Samsung USB PHY configs

The old drivers/usb/phy/phy-samsung-usb{2,3} are now deleted since
were replaced by newer drivers that use the Generic PHY framework
but their Kconfig options were left over in multi_v7_defconfig.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

arch/arm/configs/multi_v7_defconfig

@@ -492,8 +492,6 @@ CONFIG_USB_CHIPIDEA_HOST=y
 CONFIG_AB8500_USB=y
 CONFIG_KEYSTONE_USB_PHY=y
 CONFIG_OMAP_USB3=y
-CONFIG_SAMSUNG_USB2PHY=y
-CONFIG_SAMSUNG_USB3PHY=y
 CONFIG_USB_GPIO_VBUS=y
 CONFIG_USB_ISP1301=y
 CONFIG_USB_MXS_PHY=y