PDFBOX-5894: remove deprecated, remove unneeded code

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1921733 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

pdfbox/src/main/java/org/apache/pdfbox/pdmodel/fdf/FDFDocument.java

@@ -72,18 +72,6 @@ public FDFDocument()
         setCatalog(catalog);
     }
 
-    /**
-     * Constructor that uses an existing document. The COSDocument that is passed in must be valid.
-     *
-     * @param doc The COSDocument that this document wraps.
-     * @deprecated Use {@link #FDFDocument(COSDocument, RandomAccessRead) }
-     */
-    @Deprecated
-    public FDFDocument(COSDocument doc)
-    {
-        this(doc, null);
-    }
-
     /**
      * Constructor that uses an existing document. The COSDocument that is passed in must be valid.
      *
@@ -150,7 +138,7 @@ public COSDocument getDocument()
      */
     public FDFCatalog getCatalog()
     {
-        FDFCatalog retval = null;
+        FDFCatalog retval;
         COSDictionary trailer = document.getTrailer();
         COSDictionary root = trailer.getCOSDictionary(COSName.ROOT);
         if (root == null)