content/experiment: remove duplicated paragraph

Change-Id: If2bd05e838c112a25788450e5f17ae08a0ec606d
Reviewed-on: https://go-review.googlesource.com/c/blog/+/188577
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
diff --git a/content/experiment.article b/content/experiment.article
index 1494b2e..a38bee2 100644
--- a/content/experiment.article
+++ b/content/experiment.article
@@ -205,23 +205,6 @@
 and then the following releases improved it,
 simplifying Go development by removing pause times as an ongoing concern.
 
-When we shipped Go 1,
-we shifted to focus explicitly on using Go,
-to understand this version of the language much better
-before trying any more simplifications involving
-language changes.
-We needed to take time to experiment,
-to really understand what works and what doesn’t.
-
-Of course, we’ve had twelve releases since Go 1,
-so we have still been experimenting and simplifying and shipping.
-But we’ve focused on ways to simplify Go development
-without significant language changes and without breaking
-existing Go programs.
-For example, Go 1.5 shipped the first concurrent garbage collector
-and then the following releases improved it,
-simplifying Go development by removing pause times as an ongoing concern.
-
 At Gophercon in 2017, we announced that after five years of
 experimentation, it was again time
 to think about