angler: APN: No "ESM information transfer flag" IE in attach request message.

-- Delete the SBM's IA apn which APN name is empty

Bug: 23201234
Change-Id: Ic5c924b467fbdc14dcfeedf27be5dc8273fe03d8
diff --git a/apns-full-conf.xml b/apns-full-conf.xml
index 33401b5..7233b7e 100755
--- a/apns-full-conf.xml
+++ b/apns-full-conf.xml
@@ -24503,14 +24503,6 @@
       authtype="2"
   />
 
-  <apn carrier="SBM"
-      mcc="440"
-      mnc="20"
-      apn=""
-      type="ia"
-      protocol="IP"
-  />
-
   <apn carrier="IMS"
       mcc="440"
       mnc="20"