pylint-2: move to scripts/ dir

This is a standalone script, so moving it up to scripts/ seems like a
better home than cli/cros/, especially as we try to break up the lint
logic into better submodules.

BUG=b:187788732
TEST=CQ passes

Change-Id: I72d77ae35a81e7b1a030d1a1e4ab1ab6a2954db0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3611810
Reviewed-by: Ram Chandrasekar <rchandrasekar@google.com>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
diff --git a/scripts/run_tests.vpython3 b/scripts/run_tests.vpython3
index 89417da..ebc811f 100644
--- a/scripts/run_tests.vpython3
+++ b/scripts/run_tests.vpython3
@@ -141,7 +141,7 @@
 >
 
 # pylint deps.
-# NB: Keep in sync with cli/cros/pylint-2.
+# NB: Keep in sync with scripts/pylint.
 wheel: <
   name: "infra/python/wheels/pylint-quotes-py3"
   version: "version:0.2.1"