"body" keyword is unnecessary

[Meta]

On Sunday, 19 November 2017 at 12:54:37 UTC, Basile B. wrote:
> Yeah, "no worries" but for example a few weeks ago a bug report 
> has drawn my attention:
>
> https://issues.dlang.org/show_bug.cgi?id=17925
>
> After testing some code with i've indeed observed that the 
> transition period for `do` had started...
>
> "since when ?" i've wondered.
>
> Good question, it's even not in the changelog:
>
> https://www.google.fr/search?domains=dlang.org&dcr=0&biw=1280&bih=635&tbs=qdr%3Ay&ei=H34RWpKDPIzTgAatnqK4DA&q=body+do+site%3Adlang.org%2Fchangelog&oq=body+do+site%3Adlang.org%2Fchangelog&gs_l=psy-ab.3...4014.4428.0.4779.3.3.0.0.0.0.67.190.3.3.0....0...1.1.64.psy-ab..0.0.0....0.AOIgJDEhh_g
>
> So maybe it's wort mentioning something like
>
> "(formerly body, which is still allowed during ....)", because 
> there's been a communication problem with that deprecation.

Yes, I'm pretty sure I created the PR to remove all references to 
`body` myself. It's part of the process; the first step is 
removing it from the documentation, because outright deprecation 
is too sudden. It's still perfectly usable, but we don't want to 
advertise it anymore.