removal of cruft from D

[Walter Bright]

Nick Sabalausky wrote:
> Yes! Capitalization consistency in the predefined versions! If it needs to 
> be worded as a "removal", then "Remove version's capitalization 
> inconsistencies" ;). The current state of that is absolutely ridiculous, and 
> frankly, a real PITA ("Ok, I need to version for Blah OS...now what random 
> capitalization did Walter chose to use for that one again...?"). I don't 
> care about that change breaking existing code: For one thing, it's D2, it's 
> not supposed to be stable yet, and secondly: Just say "with this release, 
> grep all your code for "version" and update your capitalizations", or, 
> better yet, depricate any use of the old names as errors, and just get the 
> damn issue fixed already!

The choices were not random. They coincided with the common usage of the 
underlying C compiler.