logging: remove TODO from doc

It was showing up in the displayed godoc.

Also, I think we're stuck with the name.

Change-Id: Ia5d9fbf99c49caa901cb51445094c1f704a8b3b6
Reviewed-on: https://code-review.googlesource.com/c/gocloud/+/48551
Reviewed-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jean de Klerk <deklerk@google.com>
diff --git a/logging/logging.go b/logging/logging.go
index 9801d76..ce70dd3 100644
--- a/logging/logging.go
+++ b/logging/logging.go
@@ -790,7 +790,6 @@
 // LogSync logs the Entry synchronously without any buffering. Because LogSync is slow
 // and will block, it is intended primarily for debugging or critical errors.
 // Prefer Log for most uses.
-// TODO(jba): come up with a better name (LogNow?) or eliminate.
 func (l *Logger) LogSync(ctx context.Context, e Entry) error {
 	ent, err := l.toLogEntry(e)
 	if err != nil {