telemetry: re-enable TestStart at go 1.23

Now that the fix for golang/go#67211 has been vendored into 1.23, we can
remove the skip for TestStart.

Fixes golang/go#67211

Change-Id: I1bc3b5ae3c8619f4d9eb7a58c3aa7c222e6eac2f
Reviewed-on: https://go-review.googlesource.com/c/telemetry/+/584796
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
diff --git a/start_test.go b/start_test.go
index 66da491..b74ed89 100644
--- a/start_test.go
+++ b/start_test.go
@@ -46,12 +46,6 @@
 	testenv.SkipIfUnsupportedPlatform(t)
 	testenv.MustHaveExec(t)
 
-	// TODO(golang/go#67211): enable this test at go tip once the bug in Start
-	// delegation is fixed.
-	if testenv.Go1Point() >= 23 {
-		t.Skip("skipping due to golang/go#67211: Start fails with the current x/telemetry vendored into the Go command")
-	}
-
 	// This test sets up a telemetry environment, and then runs a test program
 	// that increments a counter, and uploads via telemetry.Start.