sunxi: remove NAMESPACES config symbols

they are available in config/Config-kernel.in

Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>

target/linux/sunxi/config-4.4

@@ -270,7 +270,6 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 CONFIG_INPUT_TOUCHSCREEN=y
 CONFIG_IOMMU_HELPER=y
 CONFIG_IOSCHED_CFQ=y
-CONFIG_IPC_NS=y
 CONFIG_IRQCHIP=y
 CONFIG_IRQ_DOMAIN=y
 CONFIG_IRQ_DOMAIN_HIERARCHY=y
@@ -320,11 +319,9 @@ CONFIG_MODULES_USE_ELF_REL=y
 # CONFIG_MTD is not set
 CONFIG_MULTI_IRQ_HANDLER=y
 CONFIG_MUTEX_SPIN_ON_OWNER=y
-CONFIG_NAMESPACES=y
 CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NEON=y
 CONFIG_NET_FLOW_LIMIT=y
-CONFIG_NET_NS=y
 CONFIG_NET_PTP_CLASSIFY=y
 CONFIG_NET_VENDOR_ALLWINNER=y
 CONFIG_NLS=y
@@ -480,7 +477,6 @@ CONFIG_USB_STORAGE=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USERIO=y
 CONFIG_USE_OF=y
-CONFIG_UTS_NS=y
 CONFIG_VDSO=y
 CONFIG_VECTORS_BASE=0xffff0000
 CONFIG_VFP=y