[APPROVED] Alias is conflating two distinct artists

BUR #2278 has been approved by @evazion.

remove alias koti -> atoshi

Reason: Koti (fond of minigirls in pots and other small containers) - artist #104068

is being aliased to

Atoshi (fond of Shinkaisei-kan) - artist #12434

EDIT: The bulk update request #2278 (forum #163032) has been approved by @evazion.

The bulk update request #2278 (forum #163032) has been approved by @evazion.