Broken links for "Graph of Membership Growth" and "Graphical timelines of committer and project growth"

[GutoVeronezi]

In the following files there are links to https://shanecurcuru.org//timeline/, which seems to not exist anymore.

www-site/content/history/index.md

Line 56 in 133b535

- [Graphical timelines of committer and project growth](http://people.apache.org/~curcuru/timeline/)

www-site/content/foundation/governance/members.md

Line 189 in 133b535

* [Graph of Membership Growth](http://people.apache.org/~curcuru/timeline/members.html)

[ShaneCurcuru]

Apologies; I stopped updating the timeline section of my personal site(s) a while back when our Projects listing tool started adding better sets of data here. For the moment, it's probably best if these a.o pages simply dropped these links.
For other useful data around ASF projects, committers, and history/timelines, see:
https://projects.apache.org/