[patches] remove owm_api and mapserver key from community profile

The owm scripts provide sane deafult values for these parameters so we don't
have to specify them in the profile.

Related ticket: https://github.com/freifunk-berlin/firmware/issues/110
Merge pull request #113 from freifunk-berlin/bug/openwifimap_url

[patches] remove owm_api and mapserver key from community profile