Board Thread:Support Requests - Designing Your Wiki/@comment-31106936-20180630232253/@comment-34106721-20180630233202

it appears that the template is now under Template:Infobox Character. If that is the version you want, then you could just rename that page to the name of the deleted template. If it's not, I still recommend you rename it so you can have a base infobox to start off from.