Disambiguate Rina R. Tachibana from Rio -Rainbow Gate!-

BUR #60131 has been approved by @evazion.

rename rina_tachibana -> rina_goltschmidt_tachibana

Her real name is Rina Goltschmidt Tachibana.

To disambiguate her from Tachibana Rina (Mushiuta).

The bulk update request #60131 (forum #441891) has been approved by @evazion.