Remove links to non-existant check_mk logwatch url

remove links to non-existant check_mk logwatch url (white paper icon next to logwatch services), i.e. https://unstable.bitmask.net/check_mk/logwatch.py?host=demodex.dev.bitmask.i&file=/var/log/kern.log

clicking on these will display this error:

Check_mk: Incomplete Apache2 Installation
You need mod_python in order to run the web interface of check_mk.
Please install mod_python and restart Apache.

(from redmine: created on 2014-12-10)