findbugs fix

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1767457 13f79535-47bb-0310-9956-ffa450edef68

src/ooxml/java/org/apache/poi/xwpf/usermodel/XWPFHeaderFooter.java

@@ -389,7 +389,6 @@ public abstract class XWPFHeaderFooter extends POIXMLDocumentPart implements IBo
        paragraphs.clear();
        tables.clear();
        bodyElements.clear();
-       CTP ctp = CTP.Factory.newInstance();
     }
     
     /**