DOC: removed names of developers in the community section.
DOC: removed names of developers in the community section.

First, this led people to send requests to the developers instead of using wradilb-users.

Second, I didn't like the idea of maintaining a list of names. The current list
was already heavily outdated...(no mention of Kai or Edouard).

jjhelmus/wradlib,jjhelmus/wradlib