[APPROVED] Unimply superfluous school uniform implications (ref topic #15769)

remove implication raimon_school_uniform -> school_uniform
remove implication mitakihara_school_uniform -> school_uniform

Link to request

These implications are no longer required, since all *_school_uniform tags now imply school uniform. (ref topic #15769)

EDIT: The bulk update request #1882 (forum #152865) has been approved by @Type-kun.

The bulk update request #1882 (forum #152865) has been approved by @Type-kun.