lime-webui: remove dependency on luci-app-bmx6 as it depends on bmx6 not on bmx7
lime-webui: remove dependency on luci-app-bmx6 as it depends on bmx6 not on bmx7

libremesh/lime-packages,libremesh/lime-packages,p4u/lime-packages,libremesh/lime-packages,p4u/lime-packages,p4u/lime-packages,p4u/lime-packages,p4u/lime-packages,libremesh/lime-packages,libremesh/lime-packages,libremesh/lime-packages