GOPATH is going to go away in Go 1.17 and most of in-tree SlapOS things are
already built using modules - including upcoming wendelin.core 2 that also
builds/uses NEO/go. This way maintaining GOPATH-based approach becomes just
unneccesary burden (modulo development, where it is still needed sometime
unfortunately https://github.com/golang/go/issues/37755#issuecomment-771927771)