cmd/compile: remove TODO that is no longer relevant
types2 methods are now sorted in the same way as types1, so this TODO is
no longer needed. (Comment change only).
Change-Id: Ic975ce001a5d54f15381a9cb7b6969dff795e3b4
Reviewed-on: https://go-review.googlesource.com/c/go/+/360856
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com>