This PR:
1. Replaces scim.Me call to use the go SDK instead of the terraform
client
2. Removes terraform client from bricks project
Tested manually that the scim.Me call works now and returns the correct
user
go build works
By:
* Add .gitkeep to retain test fixture directories under
./python/testdata
* Move GitHub related functionality to ./experimental (it is not in use)
* Comment out test in ./cmd/sync
* Fix test in ./git
Functionality from `io/ioutil` has moved to the `io` and `os` packages
in go1.16 ([reference](https://pkg.go.dev/io/ioutil)).
Confirmed that staticcheck passes when run with:
```
staticcheck -checks SA1019 ./...
```