librustdoc: remove unused `for_html` field from `Buffer` 🦄#136656

yotamofek wants to merge 1 commit intorust-lang:masterrust-lang/rust:masterfrom

yotamofek:pr/rustdoc-remove-buffer-for-htmlyotamofek/rust:pr/rustdoc-remove-buffer-for-htmlCopy head branch name to clipboard