remove economizzer (unmaintained)

- unmaintained since march 2022 https://github.com/gugoan/economizzer/commits/master

README.md

@@ -1357,7 +1357,6 @@ _See also: [awesome-sysadmin/IT Asset Management](https://github.com/awesome-fos
 - [Crater](https://github.com/crater-invoice/crater) - Free & Open Source Invoice App for Freelancers & Small Businesses. ([Demo](https://demo.craterapp.com/)) `AAL` `PHP`
 - [DePay](https://depay.com) - Accept Web3 Payments directly into your wallet. Peer-to-peer, free, self-hosted & open-source. ([Demo](https://depay.com/products/payments), [Source Code](https://github.com/depayfi/widgets)) `MIT` `Nodejs`
 - [EasyQuickImport](https://github.com/karser/EasyQuickImport) `⚠` - A tool that helps you import transactions, invoices and bills into QuickBooks Desktop from Excel or CSV. `MIT` `PHP`
-- [Economizzer](https://www.economizzer.org/) - An easy and secure system for you to manage your personal money and achieve your goals, and can be accessed by computer, tablet or smartphone. ([Demo](https://github.com/gugoan/economizzer#live-demo), [Source Code](https://github.com/gugoan/economizzer)) `MIT` `PHP`
 - [Family Accounting Tool](https://github.com/nymanjens/facto) - Web-based finance management tool for partners with partially shared expenses. `Apache-2.0` `Scala`
 - [Fava](https://beancount.github.io/fava/) - Fava is the web frontend of Beancount, a text based double-entry accounting system. ([Demo](https://fava.pythonanywhere.com/example-with-budgets/income_statement/), [Source Code](https://github.com/beancount/fava)) `MIT` `Python`
 - [Firefly III](https://firefly-iii.org/) - Firefly III is a modern financial manager. It helps you to keep track of your money and make budget forecasts. It supports credit cards, has an advanced rule engine and can import data from many banks. ([Demo](https://demo.firefly-iii.org/), [Source Code](https://github.com/firefly-iii/firefly-iii)) `AGPL-3.0` `PHP`