fix: remove GNOME from DE chooser, replace dracut with mkinitcpio, add packagechooser without GNOME

packages/calamares-branding-antergos-next/packagechooser.conf

@@ -0,0 +1,22 @@
+# SPDX-FileCopyrightText: no
+# SPDX-License-Identifier: CC0-1.0
+---
+mode: required
+method: legacy
+labels:
+    step: "Packages"
+items:
+    - id: ""
+      name: "No Desktop"
+      description: "Please pick a desktop environment from the list."
+      screenshot: ":/images/no-selection.png"
+    - id: kde
+      packages: [ kde-frameworks, kde-plasma, kde-gear ]
+      name: Plasma Desktop
+      description: "KDE Plasma Desktop, simple by default."
+      screenshot: ":/images/kde.png"
+    - id: calamares
+      appdata: ../io.calamares.calamares.appdata.xml
+      screenshot: ":/images/calamares.png"
+    - id: kate
+      appstream: org.kde.kwrite.desktop