fix extra cols

dataout/DHS_water_classification.csv

@@ -1 +1 @@
-,code,improved,,␍piped water,10,1,,␍    piped into dwelling,11,1,,␍    piped to yard/plot,12,1,,␍    piped from the neighbor,13,1,,␍    public tap/standpipe,14,1,,␍tube well water,20,1,,␍   tube well or borehole,21,1,,␍dug well (open/protected),30,0,,␍   protected well  to yard,31,1,,␍   others protected well,32,1,,␍   unprotected well to yard,33,0,,␍   public and others unprotected well,34,0,,␍surface water,40,0,,␍   protected spring,41,1,,␍   unprotected spring,42,0,,␍   river/dam/lake/ponds/stream/canal/irrigation channel,43,0,,␍   rainwater,51,1,,␍   tanker truck,61,0,,␍   cart with small tank,62,0,,␍   bottled water,71,0,,␍   sales company of water,72,0,,␍   other,96,0,,
+,code,improved␍piped water,10,1␍    piped into dwelling,11,1␍    piped to yard/plot,12,1␍    piped from the neighbor,13,1␍    public tap/standpipe,14,1␍tube well water,20,1␍   tube well or borehole,21,1␍dug well (open/protected),30,0␍   protected well  to yard,31,1␍   others protected well,32,1␍   unprotected well to yard,33,0␍   public and others unprotected well,34,0␍surface water,40,0␍   protected spring,41,1␍   unprotected spring,42,0␍   river/dam/lake/ponds/stream/canal/irrigation channel,43,0␍   rainwater,51,1␍   tanker truck,61,0␍   cart with small tank,62,0␍   bottled water,71,0␍   sales company of water,72,0␍   other,96,0