[Raspberry Pi 2, Raspian] Raspian: Unnütze Anwendungen deinstallieren

Deinstalliert unnütze Anwendungen, wie z.B. Epiphany, Dillo, NetSurf, Penguinspuzzle, Scratch

sudo apt-get remove epiphany-browser epiphany-browser-data*
sudo apt-get remove dillo
sudo apt-get remove netsurf-gtk netsurf-common
sudo apt-get remove scratch squeak-vm squeak-plugins-scratch
sudo apt-get remove penguinspuzzle
sudo apt-get remove wolfram-engine
sudo rm /etc/apt/sources.list.d wolfram.list
sudo apt-get purge wolfram-engine
sudo apt-get autoremove
sudo apt-get autoclean