Refactor to use @imports

Author: wooorm

lib/index.js

@@ -1,10 +1,6 @@
 /**
- * @typedef {import('nlcst').Punctuation} Punctuation
- * @typedef {import('nlcst').Root} Root
- * @typedef {import('nlcst').Sentence} Sentence
- * @typedef {import('nlcst').Word} Word
- *
- * @typedef {import('vfile').VFile} VFile
+ * @import {Punctuation, Root, Sentence, Word} from 'nlcst'
+ * @import {VFile} from 'vfile'
  */
 
 /**