remove AOKP-incompatible overlays

Signed-off-by: ChampionSwimmer <android@championswimmer.tk>
update the ota-tool for AOKP release

Signed-off-by: ChampionSwimmer <android@championswimmer.tk>
KXP bootlogo

Signed-off-by: ChampionSwimmer <android@championswimmer.tk>
tamsui: common board flags for TWRP

Signed-off-by: ChampionSwimmer <android@championswimmer.tk>