Enable multiple SIP addresses per contact

Tested syncing multiple sip contacts from web to device, and
from device to web.

Bug: 3091121
Change-Id: I378a3701514a7473a6df3b3f6d49a8d8c7779f39
diff --git a/src/com/android/contacts/common/model/account/BaseAccountType.java b/src/com/android/contacts/common/model/account/BaseAccountType.java
index 648a6dc..c176a87 100644
--- a/src/com/android/contacts/common/model/account/BaseAccountType.java
+++ b/src/com/android/contacts/common/model/account/BaseAccountType.java
@@ -422,7 +422,6 @@
         DataKind kind = addKind(new DataKind(SipAddress.CONTENT_ITEM_TYPE,
                     R.string.label_sip_address, Weight.SIP_ADDRESS, true));
 
-        kind.typeOverallMax = 1;
         kind.actionHeader = new SimpleInflater(R.string.label_sip_address);
         kind.actionBody = new SimpleInflater(SipAddress.SIP_ADDRESS);
         kind.fieldList = Lists.newArrayList();