reflect: remove unused overflowPad variable
overflowPad variable in bucketOf function is a holdover from a NaCl port
and never used now.
Change-Id: Ib68fdb054e1b6a655ffbfd34521a3f8773a22694
GitHub-Last-Rev:
f281be9c115a87605fd28b39c0b09eed54cc774a
GitHub-Pull-Request: golang/go#52449
Reviewed-on: https://go-review.googlesource.com/c/go/+/401274
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>