atheros: Remove OWNER no longer on team

BUG=None
TEST=None

Change-Id: I51676725e257919abc38f1747e1b3d6cb3bac181
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/atheros/+/2255751
Reviewed-by: Brian Norris <briannorris@chromium.org>
Commit-Queue: Kirtika Ruchandani <kirtika@chromium.org>
Tested-by: Kirtika Ruchandani <kirtika@chromium.org>
diff --git a/OWNERS b/OWNERS
index de79521..b4b9ee5 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,3 +1,2 @@
-kirtika@chromium.org
 briannorris@chromium.org
 sjg@chromium.org