[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/install/data/new_normalizer.php

@@ -192,5 +192,3 @@ class utf_new_normalizer
 		return utf_normalizer::recompose($str, $pos, $len, $qc, $decomp_map);
 	}
 }
-
-?>