Remove unneeded ts-expect-error

Author: wooorm

lib/index.js

@@ -1,6 +1,4 @@
 /**
- * @typedef {import('estree-jsx').Program} Program
- *
  * @typedef {import('mdast-util-from-markdown').CompileContext} CompileContext
  * @typedef {import('mdast-util-from-markdown').Extension} FromMarkdownExtension
  * @typedef {import('mdast-util-from-markdown').Handle} FromMarkdownHandle
@@ -284,8 +282,6 @@ export function mdxJsxFromMarkdown() {
     const tail = /** @type {MdxJsxExpressionAttribute} */ (
       tag.attributes[tag.attributes.length - 1]
     )
-    /** @type {Program | undefined} */
-    // @ts-expect-error: custom.
     const estree = token.estree
 
     tail.value = this.resume()
@@ -342,8 +338,6 @@ export function mdxJsxFromMarkdown() {
     )
     /** @type {MdxJsxAttributeValueExpression} */
     const node = {type: 'mdxJsxAttributeValueExpression', value: this.resume()}
-    /** @type {Program | undefined} */
-    // @ts-expect-error: custom.
     const estree = token.estree
 
     if (estree) {