Circlet implications

BUR #34216 has been approved by @evazion.

create implication gold_circlet -> circlet
create implication silver_circlet -> circlet

Gold and silver circlet is a type of circlet.

This bulk update request is pending automatic rejection in 5 days.

The bulk update request #34216 (forum #321255) has been approved by @evazion.

Silver circlet seems indistinguishable from regular metal or iron circlets.