Remove non-used network (bonding and ifb) drivers

Change-Id: I56d3e340ed0d2fc407e9d2475ff4d28b38225fbe
diff --git a/arch/mips/configs/gfwc100_defconfig b/arch/mips/configs/gfwc100_defconfig
index 25de963..dcd82e8 100644
--- a/arch/mips/configs/gfwc100_defconfig
+++ b/arch/mips/configs/gfwc100_defconfig
@@ -146,9 +146,7 @@
 # CONFIG_M25PXX_PREFER_SMALL_SECTOR_ERASE is not set
 CONFIG_PROC_DEVICETREE=y
 CONFIG_NETDEVICES=y
-CONFIG_BONDING=y
 CONFIG_MII=y
-CONFIG_IFB=y
 CONFIG_AG71XX=y
 CONFIG_AG71XX_SRAM_DESCRIPTORS=y
 CONFIG_SWCONFIG=y