feat(config): add box owner policy settings

Adds configuration options and environment variables to manage
box owner policies, including settings for refresh counts and expiry.

cmd/cmd_env.go

@@ -151,11 +151,6 @@ func buildAllEnvRows(includeHidden bool) []envRow {
 	}
 
 	extra := buildExtraEnvRows(includeHidden)
-	if loadErr == nil {
-		for i := range extra {
-			extra[i].Default = extra[i].Default
-		}
-	}
 	rows = append(rows, extra...)
 
 	return rows