[ticket/9556] Drop php closing tags, add trailing newline

Closing tags converted using Oleg's script.
remove-php-end-tags.py -a .

Trailing newlines added using the following where $ext is file extension.
find . -type f -name "*.$ext" -print | xargs printf "e %s\nw\n" | ed -s;

Extensions: php, css, html, js, xml.

PHPBB3-9556

phpBB/mcp.php

@@ -904,5 +904,3 @@ function check_ids(&$ids, $table, $sql_id, $acl_list = false, $single_forum = fa
 
 	return ($single_forum === false) ? true : (int) $forum_id;
 }
-
-?>