[Bug 19201] don't delete accounts after 6 months of inactivity

https://bugs.winehq.org/show_bug.cgi?id=19201

--- Comment #5 from Rosanne DiMesio  ---
I don't think it's worth the trouble of creating active/inactive states to keep
around accounts that have absolutely no data associated with them on the off
chance the user might wander back, but 6 months does seem rather short.

I was going to simply change the time frame to 18 months. but then I took a
closer look at the function that checks for data. AFAICT, it only checks for
votes, comments, and maintainership status. Test reports apparently have never
been counted as data, which IMO is the real problem.