Deleted 5 old and low rated notes

Following were the 5 notes with a rating less than -5 and
are older than 1 year.

These notes represented 0.0% of the 16038 total user notes,
and have now been removed.

Rating | Note
-------+---------------------------------------------------------
   -6  | https://php.net/manual/en/function.move-uploaded-file.php#69096
   -6  | https://php.net/manual/en/book.openssl.php#85444
   -6  | https://php.net/manual/en/function.base64-decode.php#124020
   -6  | https://php.net/manual/en/pgsql.installation.php#93211
   -6  | https://php.net/manual/en/function.in-array.php#128220