remove Shaark (unmaintained since 2020) (#3742)

- ref. https://github.com/awesome-selfhosted/awesome-selfhosted/issues/3558
- WARNING:awesome_lint.py: Shaark: last updated -841 days, 5:54:10.916033 ago, older than 365 days

README.md

@@ -1482,7 +1482,6 @@ A [password manager](https://en.wikipedia.org/wiki/Password_manager) allows user
 - [Passky](https://passky.org) - Simple, modern and open source password manager with website, browser extension, android and desktop application. ([Demo](https://vault.passky.org), [Source Code](https://github.com/Rabbit-Company/Passky-Server)) `GPL-3.0` `PHP`
 - [PassWall](https://github.com/passwall/passwall-server) - Open source password manager. `AGPL-3.0` `Go`
 - [Psono](https://psono.com/) - A promising password managers fully featured for teams. ([Demo](https://www.psono.pw), [Source Code](https://gitlab.com/psono)) `Apache-2.0` `Python`
-- [Shaark](https://github.com/MarceauKa/shaark) - All in one platform for your links, stories, passwords and albums. Built with Laravel and Vue.js. `MIT` `PHP`
 - [sysPass](https://www.syspass.org/) - Multiuser password management system. ([Demo](https://demo.syspass.org/), [Source Code](https://github.com/nuxsmin/sysPass)) `GPL-3.0` `PHP`
 - [Teampass](https://teampass.net/) - Password manager dedicated for managing passwords in a collaborative way. One symmetric key is used to encrypt all shared/team passwords and stored server side in a file and the database. works on any server Apache, MySQL and PHP. ([Source Code](https://github.com/nilsteampassnet/TeamPass)) `GPL-3.0` `PHP`
 - [vaults](https://github.com/MatrixEternal/vaults) - Password manager featuring client side AES-256 encryption, PBKDF2 hashing, vaults, password generation & more. `GPL-3.0` `PHP`