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

This reverts commit 052844f5e1.

There is a bug in ->remove() that causes the parser to incorrectly
identify elements in the DOM tree that shouldn't exist anymore.

References #1151

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->remove();
+							$paragraph->outertext = '';
 						}
 					}
 					if ($e_item) {