board: pm9261: remove network support

The network support is removed because there is
no DM for Davicom DM9000.

Signed-off-by: Ilko Iliev <iliev@ronetix.at>
diff --git a/configs/pm9261_defconfig b/configs/pm9261_defconfig
index e0a2ae1..b27fc8d 100644
--- a/configs/pm9261_defconfig
+++ b/configs/pm9261_defconfig
@@ -25,8 +25,6 @@
 CONFIG_CMD_NAND=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
-CONFIG_CMD_DHCP=y
-CONFIG_CMD_PING=y
 CONFIG_CMD_CACHE=y
 CONFIG_MTDIDS_DEFAULT="nor0=physmap-flash.0,nand0=nand"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=physmap-flash.0:256k(u-boot)ro,64k(u-boot-env)ro,1408k(kernel),-(rootfs);nand:-(nand)"
@@ -34,6 +32,7 @@
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_ENV_ADDR=0x10040000
+# CONFIG_NET is not set
 CONFIG_DM=y
 CONFIG_BLK=y
 CONFIG_CLK=y
@@ -62,3 +61,4 @@
 CONFIG_DM_VIDEO=y
 # CONFIG_VIDEO_BPP32 is not set
 CONFIG_LCD=y
+CONFIG_REGEX=y