runtime/metrics: improve doc
Polish a sentence by removing redundant "in response".
Change-Id: I232198ad904333f8eaa0c25a12824f0dcbf3cfb6
GitHub-Last-Rev:
421bfc03874f84a280e09bbd59d0bd074b4c9574
GitHub-Pull-Request: golang/go#72793
Reviewed-on: https://go-review.googlesource.com/c/go/+/656735
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Sean Liao <sean@liao.dev>