Update regression test list

Change-Id: I15e5891381189bf7242582c2528f81be2326508e
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/test_lists/witherspoon/regression_bucket_master b/test_lists/witherspoon/regression_bucket_master
index 76bf0b6..35ae3c7 100644
--- a/test_lists/witherspoon/regression_bucket_master
+++ b/test_lists/witherspoon/regression_bucket_master
@@ -64,7 +64,6 @@
 -i Configure_Hostname_And_Verify
 -i Add_Valid_IPv4_Addres_And_Verify
 -i Configure_DNS_Server_And_Verify
--i Delete_DNS_Server_And_Verify
 -i Configure_Valid_MAC_And_Verify
 # Remote Logging
 -i Test_Remote_Logging_Configuration