Remove data/emoji/emoji.tsv
Remove data/emoji/emoji.tsv

It seems emoji.tsv is no longer used and updated. emoji.tsv contains some carrier-emoji related information, but we don't need it now.

PiperOrigin-RevId: 471415951

google/mozc,fcitx/mozc,google/mozc,fcitx/mozc,fcitx/mozc,google/mozc,fcitx/mozc,fcitx/mozc,google/mozc,google/mozc