remove vpalatin from OWNERS

An update on the OWNERS file:
remove vpalatin from the owners of modemmanager related projects.

BUG=None
TEST=None

Change-Id: I01cfb4a8dafdbd54803576129cb314547844374c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/libqrtr-glib/+/3048111
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Auto-Submit: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Eric Caruso <ejcaruso@chromium.org>
Commit-Queue: Eric Caruso <ejcaruso@chromium.org>
diff --git a/OWNERS b/OWNERS
index 131ce16..9df7ded 100644
--- a/OWNERS
+++ b/OWNERS
@@ -3,4 +3,3 @@
 pholla@chromium.org
 andrewlassalle@chromium.org
 madhavadas@google.com
-vpalatin@chromium.org