robocfg: remove robocfg

This controls the old Broadcom switch driver which was removed over a
year ago, since then this is useless. Use swconfig instead it works
with more (Broadcom) switches.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46373 3c298f89-4303-0410-b956-a3cf2f4a3e73