[x/blog] content/experiment: remove duplicated paragraph
[x/blog] content/experiment: remove duplicated paragraph

Change-Id: If2bd05e838c112a25788450e5f17ae08a0ec606d
Reviewed-on: https://go-review.googlesource.com/c/blog/+/188577
Run-TryBot: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>
Reviewed-by: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>
X-Blog-Commit: 33144fd1b52b7c6762251251bcbdd6b2c2e8a992

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