Removed useless warning.

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@737 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/messenger/muc/HistoryStrategy.java

@@ -221,7 +221,6 @@ public class HistoryStrategy {
             setType(Type.valueOf(typeName));
         }
         catch (Exception e) {
-            Log.warn("Error setting history type from string. Using default type.", e);
             if (parent != null) {
                 setType(Type.defaulType);
             }