internal/gen: remove a workaround for golang.org/issue/13145.

That issue has been closed.

Also re-generate some tables.

Change-Id: Ia0bda7464ac2d656f2b75c42babff485ca1b8ec1
Reviewed-on: https://go-review.googlesource.com/33303
Reviewed-by: Sam Whited <sam@samwhited.com>
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>
4 files changed