kill the commas! (phobos code cleanup)

[Timon Gehr via Digitalmars-d]

On 09/03/2014 11:38 PM, "Ola Fosheim =?UTF-8?B?R3LDuHN0YWQi?= 
<ola.fosheim.grostad+dlang at gmail.com>" wrote:
> [...] I believe √ and π can be done in a heartbeat.

What about π? This is already valid code: auto π=3;