[feature/ajax] Remove quick-reply AJAX handling until we have something good

The current implementation is not very user friendly, lots of things flashing
in the user's face. We can re-consider AJAX when we have a decent solution.

PHPBB3-10270

phpBB/styles/prosilver/template/ajax.js

@@ -24,13 +24,6 @@ phpbb.add_ajax_callback('post_approve', function(res) {
 	});
 });
 
-// This callback handles the removal of the quick reply form.
-phpbb.add_ajax_callback('qr-submit', function() {
-	$(this).css('pointer-events', 'none').fadeOut(function() {
-		$(this).remove();
-	});
-});
-
 // This removes the parent row of the link or form that fired the callback.
 phpbb.add_ajax_callback('row_delete', function() {
 	$(this).parents('tr').remove();

phpBB/styles/prosilver/template/quickreply_editor.html

@@ -1,4 +1,4 @@
-<form method="post" action="{U_QR_ACTION}" data-ajax="qr-submit" data-refresh="true">
+<form method="post" action="{U_QR_ACTION}">
 	<div class="panel">
 		<div class="inner"><span class="corners-top"><span></span></span>
 				<h2>{L_QUICKREPLY}</h2>