remove temporary support of deprecated ui:baseInterface attribute.

Review by: jat@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/releases/2.4@10501 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/src/com/google/gwt/uibinder/rebind/messages/MessagesWriter.java b/user/src/com/google/gwt/uibinder/rebind/messages/MessagesWriter.java
index 915f85c..53230f7 100644
--- a/user/src/com/google/gwt/uibinder/rebind/messages/MessagesWriter.java
+++ b/user/src/com/google/gwt/uibinder/rebind/messages/MessagesWriter.java
@@ -185,13 +185,6 @@
     if (prefix != null) {
       messagesPrefix = prefix;
       String baseInterfaceAttr = consumeMessageAttribute("baseMessagesInterface", elem, null);
-      if (baseInterfaceAttr == null) {
-        // TODO(jat): temporary compatibility, remove next week 
-        baseInterfaceAttr = consumeMessageAttribute("baseInterface", elem, null);
-        if (baseInterfaceAttr != null) {
-          logger.warn(elem, "baseInterface is deprecated, use baseMessagesInterface instead");
-        }
-      }
       if (baseInterfaceAttr != null) {
         JClassType baseInterfaceType = oracle.findType(baseInterfaceAttr);
         if (baseInterfaceType == null) {