Merge pull request #1265 from ziadoz/alexkart-patch-2

Remove PHP SSH

README.md

 * [Optimus](https://github.com/jenssegers/optimus) - Id obfuscation based on Knuth's multiplicative hashing method.
 * [PHPGGC](https://github.com/ambionics/phpggc) - A library of PHP unserializable payloads along with a tool to generate them.
 * [PHP Encryption](https://github.com/defuse/php-encryption) - Secure PHP Encryption Library.
-* [PHP SSH](https://github.com/Herzult/php-ssh) - An experimental object-orientated SSH wrapper library.
 * [PHPSecLib](https://phpseclib.sourceforge.net) - A pure PHP secure communications library.
 * [random_compat](https://github.com/paragonie/random_compat) - PHP 5.x support for `random_bytes()` and `random_int()`
 * [RandomLib](https://github.com/ircmaxell/RandomLib) - A library for generating random numbers and strings.