cmd/gorelease: remove comment about packages.Load behavior

It's an implementation detail that may change.

Change-Id: I110f395b54c0d2c1b525af7b829d28dd95c7786d
Reviewed-on: https://go-review.googlesource.com/c/exp/+/224537
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
diff --git a/cmd/gorelease/gorelease.go b/cmd/gorelease/gorelease.go
index 7480116..dd9afa0 100644
--- a/cmd/gorelease/gorelease.go
+++ b/cmd/gorelease/gorelease.go
@@ -872,7 +872,6 @@
 
 	// Sort the returned packages by path.
 	// packages.Load makes no guarantee about the order of returned packages.
-	// It uses 'go list -deps', which prints packages in depth-first post-order.
 	sort.Slice(pkgs, func(i, j int) bool {
 		return pkgs[i].PkgPath < pkgs[j].PkgPath
 	})