code style

Author: rbri

src/main/java/org/htmlunit/html/HtmlPage.java

@@ -66,7 +66,6 @@
 import org.htmlunit.corejs.javascript.Scriptable;
 import org.htmlunit.css.ComputedCssStyleDeclaration;
 import org.htmlunit.css.CssStyleSheet;
-import org.htmlunit.html.FrameWindow.PageDenied;
 import org.htmlunit.html.impl.SimpleRange;
 import org.htmlunit.html.parser.HTMLParserDOMBuilder;
 import org.htmlunit.http.HttpStatus;