This bool doesn't seem to be used anymore. Remove it.
Change-Id: Ic73346a98513c392d89482c5e1d818a90d713516
Reviewed-on: https://go-review.googlesource.com/c/go/+/419654
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Michael Knyszek <mknyszek@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com>
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