The page you reference is for a kubernetes upgrade and in the end neo4j config settings on kubernetes should be the same as when installed via tar.
But if you started this with I need help upgrading 4.4.x to 5.x and with a tar install I would have started at
additionally for what it worth it this doc also leads one to
which describes neo4j-admin server migrate-config which will read a v4.4x conf/neo4j.conf and rewrite it in v5 format