Code clean ups.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1154430 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/java/org/apache/commons/codec/language/bm/Rule.java

@@ -686,10 +686,6 @@ public CharSequence subSequence(int start, int end) {
             return toString().subSequence(start, end);
         }
 
-        public CharSequence append(CharSequence right) {
-            return new AppendableCharSeqeuence(this, right);
-        }
-
         @Override
         public String toString() {
             if (contentCache == null) {