dependencies: trisquel: remove unused packagekit-tools.

This package is unused since the commit
3f85c3ff22 ("dependencies: trisquel: go
back to apt (instead of packagekit).").

Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
Acked-by: Adrien 'neox' Bourmault <neox@gnu.org>

resources/dependencies/trisquel

@@ -48,8 +48,6 @@ if [ $EUID -ne 0 ]; then
    exit 1
 fi
 
-apt-get -y install packagekit-tools
-
 # Duplications are intentional. Please do not re-factor.
 #
 # This is so that they can moved to separate scripts.