feat: make loader and uhyve non-default features

Author: mkroening

.github/workflows/ci.yml

@@ -155,7 +155,7 @@ jobs:
         run: gh release download --repo hermit-os/loader --pattern hermit-loader-x86_64
       - run: rustup target add x86_64-unknown-none
       - name: Integration tests
-        run: cargo test --tests --no-fail-fast --target x86_64-unknown-none -- --bootloader_path=hermit-loader-x86_64
+        run: cargo test --tests --no-fail-fast --target x86_64-unknown-none --features loader -- --bootloader_path=hermit-loader-x86_64
         env:
           RUSTFLAGS:
 

Cargo.toml

@@ -41,12 +41,10 @@ default = [
 	"dhcpv4",
 	"fsgsbase",
 	"kernel-stack",
-	"loader",
 	"pci-ids",
 	"pci",
 	"smp",
 	"tcp",
-	"uhyve",
 	"virtio-fs",
 	"virtio-net",
 	"virtio-vsock",