fix(transformers): correct stale JSDoc comments and remove unused export#1247

VeerShah41 wants to merge 1 commit intoshikijs:mainshikijs/shiki:mainfrom

VeerShah41:fix/transformers-jsdoc-and-dead-codeVeerShah41/shiki:fix/transformers-jsdoc-and-dead-codeCopy head branch name to clipboard