Remove all covers from session pages (commented link to outdated images) authored by beltransen's avatar beltransen
![](https://gitlab.eif.urjc.es/rperez/pne-wiki/-/raw/master/s13-http-2/Cover/Cover.png)
[//]: # '![](https://gitlab.eif.urjc.es/rperez/pne-wiki/-/raw/master/s13-http-2/Cover/Cover.png)'
# Session 13: Practice 4
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