3rd party dependencies do not have to be fetched manually any more, cmake make will do that automatically if needed

3rdparty/setup_dependencies.sh

@@ -1,17 +1,4 @@
 #!/bin/bash
-INITIAL_DIR=$(pwd)
-
-
-# Fetch SDL2
 git clone https://github.com/davidsiaw/SDL2.git
 cd SDL2
 git pull
-mkdir build
-cd build && cmake .. && make -j
-
-# See https://github.com/davidsiaw/SDL2/blob/master/docs/README-linux.md
-# if there are isses with building
-
-
-# Done
-cd $INITIAL_DIR