Remove TomP2P dependency from pom.xml

Change-Id: I9d1fd5bb29943dcedd83972a870752d318188ce2
Reviewed-on: http://naan.mimuw.edu.pl:8001/86
Tested-by: Nebulostore Nebulostore <nebulostore@gmail.com>
Reviewed-by: Bolek Kulbabinski <bkulbabinski@gmail.com>