Remove OS.js (unmaintained since September 2022) (#444)

- ref. #1
- `ERROR:awesome_lint.py: OS.js: last updated -462 days, 1:30:17.082676 ago, older than 365 days`

software/os.js.yml

@@ -1,15 +0,0 @@
-name: OS.js
-website_url: https://www.os-js.org/
-description: Desktop implementation for your browser with a fully-fledged window manager, Application APIs, GUI toolkits and filesystem abstraction.
-licenses:
-  - BSD-2-Clause
-platforms:
-  - Nodejs
-  - Docker
-tags:
-  - Miscellaneous
-source_code_url: https://github.com/os-js/OS.js
-demo_url: https://demo.os-js.org/
-stargazers_count: 6714
-updated_at: '2022-09-16'
-archived: false