remove unused argument in Int/Double columnstatistics since clang complains.
remove unused argument in Int/Double columnstatistics since clang complains.

vertica/orc,jorgemarsal/orc,vertica/orc,vertica/orc,vertica/orc,jorgemarsal/orc,jorgemarsal/orc,vertica/orc,vertica/orc,jorgemarsal/orc,vertica/orc,jorgemarsal/orc,jorgemarsal/orc,jorgemarsal/orc,jorgemarsal/orc,vertica/orc