docs: Remove deprecation note :)

Author: osipxd

README.md

@@ -1,14 +1,9 @@
 BukkitGradle
 [![Version](https://img.shields.io/github/release/EndlessCodeGroup/BukkitGradle/all.svg?style=flat-square)](https://plugins.gradle.org/plugin/ru.endlesscode.bukkitgradle)
 [![license](https://img.shields.io/github/license/EndlessCodeGroup/BukkitGradle.svg?style=flat-square)](https://github.com/EndlessCodeGroup/BukkitGradle/blob/master/LICENSE)
-
 ============
 Gradle utilities to simplify Bukkit/Spigot plugins writing and debugging.
 
-> [!WARNING]
-> This plugin is not being maintained anymore,
-> consider switching to [spigradle](https://github.com/spigradle/spigradle).
-
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