test_platform: Remove dead comment

BUG=None
TEST=./generate.sh

Change-Id: I233f4b971eb445bf27b463d43f17ce2a4cd42bd1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2505544
Auto-Submit: Prathmesh Prabhu <pprabhu@google.com>
Commit-Queue: Xinan Lin <linxinan@chromium.org>
Reviewed-by: Xinan Lin <linxinan@chromium.org>
2 files changed