[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/viewonline.php

@@ -441,5 +441,3 @@ $template->set_filenames(array(
 make_jumpbox(append_sid("{$phpbb_root_path}viewforum.$phpEx"));
 
 page_footer();
-
-?>