Deleted 6 old and low rated notes

Following were the 6 notes with a rating less than -5 and
are older than 1 year.

These notes represented 0.0% of the 17897 total user notes,
and have now been removed.

Rating | Note
-------+---------------------------------------------------------
   -7  | https://php.net/manual/en/function.in-array.php#127886
   -6  | https://php.net/manual/en/features.file-upload.multiple.php#125831
   -6  | https://php.net/manual/en/function.convert-cyr-string.php#66505
   -6  | https://php.net/manual/en/function.settype.php#58274
   -6  | https://php.net/manual/en/configuration.php#86568
   -6  | https://php.net/manual/en/function.array.php#102281