cmd/compile/internal/ssa: remove unused round function
Change-Id: I15ee74ab0be0cd996a74e6233b39e0953da3f327
GitHub-Last-Rev:
dc41b1027a2b07a227705303dc02a85433756eab
GitHub-Pull-Request: golang/go#73324
Reviewed-on: https://go-review.googlesource.com/c/go/+/664696
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>