[CI] Don't install `core/rust` in Windows test steps
We're using `rustup`, not `core/rust`.
@@ -28,8 +28,6 @@ function Setup-Environment {
"core/zeromq",
"core/zlib"
)
- # we always want the latest rust
- hab pkg install core/rust
# Set up some path variables for ease of use later
$cacertsDir = & hab pkg path core/cacerts
