[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/develop/adjust_sizes.php

@@ -128,5 +128,3 @@ $db->sql_freeresult($result);
 
 // Done
 $db->sql_close();
-
-?>