libkscreen: remove all files conflicted with libkf6screen

It's no longer used except as dependencies of lxqt-config

srcpkgs/libkscreen/template

@@ -1,7 +1,7 @@
 # Template file for 'libkscreen'
 pkgname=libkscreen
 version=5.27.11
-revision=2
+revision=3
 build_style=cmake
 configure_args="-DBUILD_TESTING=OFF"
 hostmakedepends="pkg-config extra-cmake-modules qt5-host-tools qt5-x11extras-devel
@@ -14,7 +14,13 @@ license="LGPL-2.1-or-later"
 homepage="https://invent.kde.org/plasma/libkscreen"
 distfiles="${KDE_SITE}/plasma/${version}/${pkgname}-${version}.tar.xz"
 checksum=0d11f41d489f32303988e5a2eee8cef7f4eb18faea5614e65bf202007ea21dd5
-conflicts="libkf6screen>=0"
+
+post_install() {
+	rm -rf "${DESTDIR}/usr/bin"
+	rm -rf "${DESTDIR}/usr/lib/systemd"
+	rm -rf "${DESTDIR}/usr/share/dbus-1"
+	rm -rf "${DESTDIR}/usr/share/zsh"
+}
 
 libkscreen-devel_package() {
 	short_desc+=" - development"