Remove outdated type annotations and lint suppressions.

lib/md054.js

@@ -40,13 +40,11 @@ module.exports = {
       // Everything allowed, nothing to check
       return;
     }
-    // eslint-disable-next-line jsdoc/valid-types
-    /** @type import("../helpers/micromark.cjs").Token[] */
-    const micromarkTokens =
-      // @ts-ignore
-      params.parsers.micromark.tokens;
     const { definitions } = referenceLinkImageData();
-    const links = filterByTypes(micromarkTokens, [ "autolink", "image", "link" ]);
+    const links = filterByTypes(
+      params.parsers.micromark.tokens,
+      [ "autolink", "image", "link" ]
+    );
     for (const link of links) {
       let label = null;
       let destination = null;
@@ -89,7 +87,8 @@ module.exports = {
         }
       }
       if (isError) {
-        let range = null;
+        // eslint-disable-next-line no-undef-init
+        let range = undefined;
         let fixInfo = null;
         if (startLine === endLine) {
           range = [ startColumn, endColumn - startColumn ];
@@ -119,8 +118,8 @@ module.exports = {
           onError,
           startLine,
           text.replace(nextLinesRe, ""),
-          null,
-          null,
+          undefined,
+          undefined,
           range,
           fixInfo
         );