Neutralise more words from placeholder text (#33731)

Neutralise more words from placeholder text (#33731)

* Neutralise more words from placeholder text

Follow-up to https://github.com/twbs/bootstrap/pull/33726

* Match fullscreen modal to other sizes

* Ditch the lyrics outright

* Rewrite and tweak the blog example some

* update cheatsheet

* text utils copy too

* Fix the tbody validation error

* fix typo

Co-authored-by: Mark Otto <markd.otto@gmail.com>
Co-authored-by: Mark Otto <markdotto@gmail.com>
Co-authored-by: alpadev <2838324+alpadev@users.noreply.github.com>
Co-authored-by: alpadev <alpa.muc@gmail.com>