cleanup debugging info
cleanup debugging info

micolous/s2-geometry-library,yjwong/s2-geometry-library,laramiel/s2-geometry-library,Noctem/pogeo,Noctem/pogeo,micolous/s2-geometry-library,Noctem/pogeo,micolous/s2-geometry-library,laramiel/s2-geometry-library,laramiel/s2-geometry-library,Noctem/pogeo,yjwong/s2-geometry-library,micolous/s2-geometry-library,yjwong/s2-geometry-library,yjwong/s2-geometry-library