x/website: golang.org missing go-import metadata

[hongtaiwang]

What is the URL of the page with the issue?

all packages under "golang.org/x/..."

What is your user agent?

using dep ensure

Screenshot

What did you do?

curl -L -s golang.org/x/crypto | grep -i go-import

also when using dep ensure

What did you expect to see?

$curl -L -s golang.org/x/crypto | grep -i go-import
<meta name="go-import" content="golang.org/x/crypto git https://go.googlesource.com/crypto"> 

What did you see instead?

missing go-import metadata

[seankhliao]

Duplicate of #47905