Removed SSilence/notes because repo does not exist

https://github.com/SSilence/notes → 404 Error

README.md

@@ -992,7 +992,6 @@ See https://github.com/n1trux/awesome-sysadmin#monitoring and https://github.com
 - [Meemo](https://meemo.minimal-space.de/) - Personal notes stream with Markdown support. ([Source Code](https://github.com/nebulade/meemo)) `MIT` `Nodejs`
 - [minimalist-web-notepad](https://github.com/pereorga/minimalist-web-notepad) - Minimalist notepad.cc clone. `Apache-2.0` `PHP`
 - [MiniNote](https://github.com/n1try/mininote) - Simple Markdown note-taking app with persistence. `MIT` `Nodejs`
-- [notes](https://github.com/SSilence/notes) - Simple script for personal notes with a single page with a WYSIWYG Editor. `GPL-3.0` `PHP`
 - [OpenNote](https://github.com/FoxUSA/OpenNote) - OpenNote was built to be an open web-based alternative to Microsoft OneNote (T) and EverNote. ([Demo](https://foxusa.github.io/OpenNote/OpenNote/#/folder)) `MIT` `HTML5`
 - [Paperwork](http://paperwork.rocks) - OpenSource note-taking and archiving alternative to Evernote, Microsoft OneNote and Google Keep. ([Source Code](https://github.com/twostairs/paperwork)) `MIT` `PHP`
 - [savepad](https://github.com/novavex/textpad) - Minimalist notepad based on notepad.cc. `MIT` `PHP`