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/SIMARBridge.php

@@ -48,7 +48,7 @@ class SIMARBridge extends BridgeAbstract {
 					foreach($e_item->find('p') as $paragraph) {
 						/* Remove empty paragraphs */
 						if (preg_match('/^(\W| )+$/', $paragraph->innertext) == 1) {
-							$paragraph->outertext = '';
+							$paragraph->remove();
 						}
 					}
 					if ($e_item) {