chore: fix typings

lib/rules/no-deprecated-api.js

@@ -16,12 +16,7 @@ const getSemverRange = require("../util/get-semver-range")
 const extendTrackmapWithNodePrefix = require("../util/extend-trackmap-with-node-prefix")
 const unprefixNodeColon = require("../util/unprefix-node-colon")
 
-/**
- * @typedef DeprecatedInfo
- * @property {string} since the version when the API was deprecated.
- * @property {string|{ name: string, supported: string }[]|null} replacedBy the text of substitute way.
- * @property {string} [removed] the version when the API was removed.
- */
+/** @typedef {import('../unsupported-features/types.js').DeprecatedInfo} DeprecatedInfo */
 /**
  * @typedef ParsedOptions
  * @property {import('semver').Range} version
@@ -767,7 +762,7 @@ module.exports = {
             const data = {
                 name,
                 version: info.since,
-                removed: info.removed,
+                removed: info.removed || "",
                 replace: toReplaceMessage(info.replacedBy, version),
             }