javadoc fix: final class can't be subclassed, and even if it could the subclass can't call a method that doesn't exist

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1161228 13f79535-47bb-0310-9956-ffa450edef68

lucene/src/java/org/apache/lucene/store/CompoundFileDirectory.java

@@ -53,8 +53,6 @@ public final class CompoundFileDirectory extends Directory {
   
   /**
    * Create a new CompoundFileDirectory.
-   * <p>
-   * NOTE: subclasses must call {@link #initForRead(Map)} before the directory can be used.
    */
   public CompoundFileDirectory(Directory directory, String fileName, IOContext context, boolean openForWrite) throws IOException {
     this.directory = directory;