treewide: remove usage of osbase/test/launch for logging

Change-Id: Ib0279f1f1cbbefeb5064e78cfb36b0bf7a59f5cb
Reviewed-on: https://review.monogon.dev/c/monogon/+/4045
Tested-by: Jenkins CI
Reviewed-by: Jan Schär <jan@monogon.tech>
diff --git a/metropolis/test/util/BUILD.bazel b/metropolis/test/util/BUILD.bazel
index 84a9c3b..c2baf89 100644
--- a/metropolis/test/util/BUILD.bazel
+++ b/metropolis/test/util/BUILD.bazel
@@ -15,7 +15,6 @@
         "//metropolis/proto/common",
         "//osbase/event/memory",
         "//osbase/pki",
-        "//osbase/test/launch",
         "@com_zx2c4_golang_wireguard_wgctrl//wgtypes",
         "@org_golang_google_grpc//:grpc",
         "@org_golang_google_grpc//credentials/insecure",
diff --git a/metropolis/test/util/runners.go b/metropolis/test/util/runners.go
index 4a8a1e9..03e3801 100644
--- a/metropolis/test/util/runners.go
+++ b/metropolis/test/util/runners.go
@@ -11,8 +11,6 @@
 	"fmt"
 	"testing"
 	"time"
-
-	"source.monogon.dev/osbase/test/launch"
 )
 
 // TestEventual creates a new subtest looping the given function until it either
@@ -23,14 +21,14 @@
 	start := time.Now()
 	ctx, cancel := context.WithTimeout(ctx, timeout)
 	t.Helper()
-	launch.Log("Test: %s: starting...", name)
+	fmt.Printf("Test: %s: starting...\n", name)
 	return t.Run(name, func(t *testing.T) {
 		defer cancel()
 		var lastErr = errors.New("test didn't run to completion at least once")
 		for {
 			err := f(ctx)
 			if err == nil {
-				launch.Log("Test: %s: okay after %.1f seconds", name, time.Since(start).Seconds())
+				fmt.Printf("Test: %s: okay after %.1f seconds\n", name, time.Since(start).Seconds())
 				return
 			}
 			if errors.Is(err, ctx.Err()) {