New purpose for history section

[styrix560]

Currently, the history section basically serves as a recap of past events. This is already quite ugly, but additionally the event page (#20) will take over that task.
Therefore, we should think about, what we want to do with the section. Removing it is one option. Alternatively, only display important events for that skill (like Glenn becoming Expert). However, I do not believe, we have enough of these important events.