Update oncall rotation file

Change-Id: I02bec8dc84bd6cb40e74c1cb7f92482028dae867
diff --git a/tooldata/data/oncall.v1.xml b/tooldata/data/oncall.v1.xml
index b922ff9..1a17dc4 100644
--- a/tooldata/data/oncall.v1.xml
+++ b/tooldata/data/oncall.v1.xml
@@ -4,11 +4,6 @@
 -->
 <rotation>
   <shift>
-    <primary>rosswang</primary>
-    <secondary>m3b</secondary>
-    <startDate>Apr 25, 2016 08:00:00 AM</startDate>
-  </shift>
-  <shift>
     <primary>caprita</primary>
     <secondary>jyh</secondary>
     <startDate>May 02, 2016 08:00:00 AM</startDate>