[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/includes/acp/acp_inactive.php

@@ -308,5 +308,3 @@ class acp_inactive
 		$this->page_title = 'ACP_INACTIVE_USERS';
 	}
 }
-
-?>