Don’t select it in the installation options then it won’t install it.
You can just remove it with sudo apt remove dump978 i believe.
(Not sure what the package is named, might be named dump978-mutability)
I’ve included some basic graphs in my fork of the graphs:
Graphs for dump1090 -- my version with install script
You can see an example of those (only 3) graphs here:
Announcing the new 978 MHz antenna! - #74 by Shadowchasr