update BAB page

[MarnixCroes]

reminder issue

• update the page (remove Christmas stuff) if BAB is continued
• remove the page if BAB is discontinued

or maybe even if BAB is continued we might not want to have a dedicated page for it on the website we could move the/some stuff to the docs

[MaxHillebrand]

Add this https://github.com/zkSNACKs/WalletWasabi/issues/12446#issuecomment-1943048620

@CAnorbo please deploy before the release.

[CAnorbo]

https://github.com/zkSNACKs/WasabiWalletWebSite/pull/27