remove ffpb-wifi-blackout-workaround again for new testing firmware

site.mk

@@ -1,7 +1,6 @@
 GLUON_SITE_PACKAGES := \
 	ffpb-debug \
 	ffpb-v6uplink \
-	ffpb-wifi-blackout-workaround \
 	gluon-alfred \
 	gluon-autoupdater \
 	gluon-batman-on-wan \