remove kuka-fri from being submodule, set it in spartan CMakeLists.txt

[manuelli]

[ahundt]

If you'd like some cmake code to build the client sdk it is here: https://github.com/ahundt/grl/blob/master/config/FRI_Client_SDK_Cpp.cmake

Where do I put the zip for your current build?

[manuelli]

You should just need to place the FRI code provided by kuka into the kuka-fri folder in this repo.