Remove Manta (#1254)

README.md

@@ -936,7 +936,6 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Lungo](https://sindresorhus.com/lungo) - Prevent your Mac from going to sleep. [![App Store][app-store Icon]](https://apps.apple.com/us/app/lungo/id1263070803)
 * [lo-rain](https://lo.cafe/lo-rain) - Create a customizable rain over your desktop and apps, with splash over the dock.
 * [Mac Cache Cleaner](https://github.com/kaunteya/MacCacheCleaner) - Cache cleaner for Mac [![Open-Source Software][OSS Icon]](https://github.com/kaunteya/MacCacheCleaner) ![Freeware][Freeware Icon]
-* [Manta](https://getmanta.app/) - Flexible invoicing desktop app with beautiful & customizable templates. [![Open-Source Software][OSS Icon]](https://github.com/hql287/Manta) ![Freeware][Freeware Icon]
 * [Memo](http://memo-app.net/) - Simple and elegant app. Unlock memos even more quickly using Touch ID. ![Freeware][Freeware Icon] [![App Store][app-store Icon]](https://itunes.apple.com/app/id1212409035)
 * [Numi](http://numi.io/) - Beautiful calculator app for Mac. ![Freeware][Freeware Icon]
 * [NextDNS](https://nextdns.io/) - The new firewall for the modern Internet. ![Freeware][Freeware Icon] [![App Store][app-store Icon]](https://apps.apple.com/us/app/nextdns/id1464122853)