Two graphics drivers - I guess one for the laptop and one for the docking station - total 2.2 GB
Seems excessive. I’m hoping that is a common package with files for many various graphics chipsets
Jebus!
That’s all their uncompressed 4k images and video from their fancy management tool. 
Pretty sure one is the driver for you nvidia card and the other is the driver for your processors integrated graphics. Then the question becomes if you have a mux switch or not to reduce battery consumption when not needing the nvidia card for processing.