Update oncall rotation file

Change-Id: I26b5a75d79e215623d426095deb0f55ae119b866
diff --git a/tooldata/data/oncall.v1.xml b/tooldata/data/oncall.v1.xml
index 586333f..ebbf3b4 100644
--- a/tooldata/data/oncall.v1.xml
+++ b/tooldata/data/oncall.v1.xml
@@ -4,11 +4,6 @@
 -->
 <rotation>
   <shift>
-    <primary>jyh</primary>
-    <secondary>m3b</secondary>
-    <startDate>Jul 25, 2016 08:00:00 AM</startDate>
-  </shift>
-  <shift>
     <primary>m3b</primary>
     <secondary>jyh</secondary>
     <startDate>Aug 01, 2016 08:00:00 AM</startDate>