Patch from Bruce Mitchener that removes some dead code

git-svn-id: svn://10.0.0.236/trunk@25381 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/content/html/document/src/nsHTMLDocument.cpp

@@ -2645,9 +2645,6 @@ NS_IMETHODIMP nsHTMLDocument::FindNext(const nsString &aSearchStr, PRBool aMatch
         contentStr.Cut(offset, mSearchStr->Length());
         contentStr.Insert(replacementStr, offset, replacementStr.Length());
 
-        char * s = contentStr.ToNewCString();
-        delete[]s;
-
         nsIDOMNode * parent;
         node->GetParentNode(&parent);