Remove unneeded BoardConfig.mk settings

Converted to an empty commit to keep settings on master

Test: local build
Change-Id: Id57aec92a35f5ad2bcdaccf1978b25b1bfec2aa5
Merged-In: Id57aec92a35f5ad2bcdaccf1978b25b1bfec2aa5
(cherry picked from commit d07c9fbddc74de52df7cff343db0574ed4d82389)