ar71xx-generic: remove BROKEN TL-WR941 v6 profile

In this case, the BROKEN flag was correct, the profile didn't work. This
has been fixed in master, but the fix won't be backported, so it's better
to remove the profile altogether.

targets/ar71xx-generic/profiles.mk

@@ -65,9 +65,6 @@ $(eval $(call GluonModel,TLWR941,tl-wr941nd-v2,tp-link-tl-wr941n-nd-v2))
 $(eval $(call GluonModel,TLWR941,tl-wr941nd-v3,tp-link-tl-wr941n-nd-v3))
 $(eval $(call GluonModel,TLWR941,tl-wr941nd-v4,tp-link-tl-wr941n-nd-v4))
 $(eval $(call GluonModel,TLWR941,tl-wr941nd-v5,tp-link-tl-wr941n-nd-v5))
-ifeq ($(BROKEN),1)
-$(eval $(call GluonModel,TLWR941,tl-wr941nd-v6,tp-link-tl-wr941n-nd-v6)) # BROKEN: untested
-endif
 
 # TL-WR1043N/ND v1, v2
 $(eval $(call GluonProfile,TLWR1043))