[xwiki-devs] Get rid of xwiki-trunks

Hi devs, Just seen that https://github.com/xwiki/xwiki-trunks is broken since we moved XEM. I don't use it and I'm pretty sure most of you don't use it either so I propose to get rid of it. I never found it really useful so I propose to stop maintaining it. WDYT ? -- Thomas Mortagne