internal/rosa: do not register stage0

Nothing can depend on this, so remove it from the namespace.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/rosa_test.go

@@ -77,7 +77,7 @@ func TestCureAll(t *testing.T) {
 	cache := getCache(t)
 	t.Parallel()
 
-	for _, p := range rosa.Native().Collect() {
+	for _, p := range rosa.Native().CollectAll() {
 		_, a := rosa.Native().Std().MustLoad(p)
 		t.Run(p.String(), func(t *testing.T) {
 			t.Parallel()
@@ -94,8 +94,9 @@ func TestCureAll(t *testing.T) {
 func BenchmarkStage3(b *testing.B) {
 	t := rosa.Native().Clone().Std()
 
+	llvm := rosa.H("llvm")
 	for b.Loop() {
-		t.MustLoad(rosa.LLVM)
+		t.MustLoad(llvm)
 
 		b.StopTimer()
 		t.DropCaches("", 0)