Update OWNERS file

Remove Xoogler xunchang

Test: TreeHugger
Change-Id: Ic90fa8e8040e758c1e56d1e4137526ce091dd6e3
diff --git a/OWNERS b/OWNERS
index 411aeff..5a84308 100644
--- a/OWNERS
+++ b/OWNERS
@@ -7,5 +7,3 @@
 # AOSP Owners
 
 zhangkelvin@google.com
-xunchang@google.com
-