Fix/kyoto kana

## fix double town_kana

test data below:

    26104,"604  ","6040983","ｷｮｳﾄﾌ","ｷｮｳﾄｼﾅｶｷﾞｮｳｸ","ｻｻﾔﾁｮｳ","京都府","京都市中京区","笹屋町（麩屋町通竹屋町下る、麩屋町通夷川上る、竹屋町通麩屋町西入>、竹屋",0,0,0,0,0,0
    26104,"604  ","6040983","ｷｮｳﾄﾌ","ｷｮｳﾄｼﾅｶｷﾞｮｳｸ","ｻｻﾔﾁｮｳ","京都府","京都市中京区","町通麩屋町東入、竹屋町通御幸町西入、夷川通麩屋町西入、夷川通麩屋>町東入）",0,0,0,0,0,0

## fix raw town string as subtown_kana

test data below:

    26104,"604  ","6040983","ｷｮｳﾄﾌ","ｷｮｳﾄｼﾅｶｷﾞｮｳｸ","ｻｻﾔﾁｮｳ","京都府","京都市中京区","笹屋町（麩屋町通竹屋町下る、麩屋町通夷川上る、竹屋町通麩屋町西入>、竹屋",0,0,0,0,0,0
    26104,"604  ","6040983","ｷｮｳﾄﾌ","ｷｮｳﾄｼﾅｶｷﾞｮｳｸ","ｻｻﾔﾁｮｳ","京都府","京都市中京区","町通麩屋町東入、竹屋町通御幸町西入、夷川通麩屋町西入、夷川通麩屋>町東入）",0,0,0,0,0,0