[release-branch.go1.2] godoc/static: update site policies link

««« CL 74900047 / 1c14028dc979
godoc/static: update site policies link

Fixes golang/go#7520.

LGTM=bradfitz
R=golang-codereviews, bradfitz
CC=golang-codereviews
https://golang.org/cl/74900047
»»»

LGTM=iant
R=golang-codereviews, iant
CC=golang-dev
https://golang.org/cl/83350043
2 files changed