Commented out the package installation

sim.jl

-ENV["PYTHON"]=""
 using Pkg
-Pkg.activate(".")
+#Pkg.activate(".")
 
 #Pkg.add(url="https://gitlab.gwdg.de/smuehle1/RidePooling/", rev="planned_pickup")
 #Pkg.instantiate()   #there may be an error here concerning PyCall. The dependencies assume Python to be installed on your system, with package 'matplotlib' installed.