win: Pass /nologo to rc.exe, simplify wrapper code a bit.

We used to have a comment saying "Older versions of RC don't support the
/nologo flag", but since we've been requiring MSVC 2017 for a long time now,
using `rc /nologo` should be safe by now.

No intended behavior change.

Bug: none
Change-Id: If13d1d3fc4647daada3af5ade526e6f774a9fb7c
Reviewed-on: https://chromium-review.googlesource.com/c/1303882
Reviewed-by: Scott Graham <scottmg@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#603534}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: e874adda0d5fc60397c72eb4897b0c1a528ac0d4
3 files changed