WIP - Removing unneccessary closing tags to prevent potential issues. (#223)

* Part 1

Removing closing tags when no HTML or other output comes after the last PHP codeblock.

* Further removals

* nothing

---------

Co-authored-by: slawkens <slawkens@gmail.com>

system/migrations/20.php

@@ -45,4 +45,3 @@ function databaseMigration20(&$content = '') {
 	file_put_contents($config_file, $content, FILE_APPEND);
 	return true;
 }
-?>