2000 NY general file has empty column header

[warwickmm]

2000/20001107__ny__general.csv has an empty trailing column header:

https://github.com/openelections/openelections-data-ny/blob/4fe2d2f218307acda42e6ed6467d49e79ceb3b64/2000/20001107__ny__general.csv#L1

However, there are some rows that have a value in this column. We should either add the appropriate header, or remove the extra column:

https://github.com/openelections/openelections-data-ny/blob/4fe2d2f218307acda42e6ed6467d49e79ceb3b64/2000/20001107__ny__general.csv#L2231-L2233