all: Use ->remove() instead of ->outertext = ''

simplehtmldom 1.9 introduced new functions to recursively remove
nodes from the DOM. This allows removing elements without the need
to re-load the document by using $html->load($html->save()), which
is very inefficient.

Find more information about remove() at
https://simplehtmldom.sourceforge.io/docs/1.9/api/simple_html_dom_node/remove/

bridges/DauphineLibereBridge.php

@@ -50,7 +50,7 @@ class DauphineLibereBridge extends FeedExpander {
 	private function extractContent($url){
 		$html2 = getSimpleHTMLDOMCached($url);
 		foreach ($html2->find('.noprint, link, script, iframe, .shareTool, .contentInfo') as $remove) {
-			$remove->outertext = '';
+			$remove->remove();
 		}
 		return $html2->find('div.content', 0)->innertext;
 	}