Update README.md

Removing "taiga-next" reference.

README.md

@@ -1,7 +1,5 @@
 ## Taiga Front
 
-> **READ THIS FIRST!**: We recently announced Taiga plans for the future and they greatly affect how we manage this repository and the current Taiga 6 release. Check it [here](https://blog.taiga.io/announcing_taiganext.html).
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 [![Managed with Taiga.io](https://img.shields.io/badge/managed%20with-TAIGA.io-709f14.svg)](https://tree.taiga.io/project/taiga/ "Managed with Taiga.io")
 [![Build Status](https://img.shields.io/travis/taigaio/taiga-front.svg)](https://travis-ci.org/taigaio/taiga-front "Build Status")