Remove Arthur from owner's file

Change-Id: Idb9e891c9b391133d7f5604be0bf921783e27f41
diff --git a/contexthub/OWNERS b/contexthub/OWNERS
index ee25833..f35961a 100644
--- a/contexthub/OWNERS
+++ b/contexthub/OWNERS
@@ -1,3 +1,2 @@
 # Bug component: 156070
-arthuri@google.com
 bduddie@google.com