Remove tomcherry from OWNERS

I've left the Android team.

Test: n/a
Change-Id: I51c383e87e07cfd452e64576875864249d04a4ab
diff --git a/OWNERS b/OWNERS
index 55f7f00..0ad1d05 100644
--- a/OWNERS
+++ b/OWNERS
@@ -9,5 +9,4 @@
 nnk@google.com
 smoreland@google.com
 sspatil@google.com
-tomcherry@google.com
 trong@google.com