user/kio-extras: turns out we do need it, bump to 18.04.3 and modernise

legacy/kio-extras/APKBUILD → user/kio-extras/APKBUILD

@@ -6,8 +6,8 @@ pkgrel=0
 pkgdesc="KIO plugins for various data tasks"
 url="https://www.kde.org/"
 arch="all"
-license="LGPL-2.1"
 options="!check"  # Requires fully running KDE system to test.
+license="LGPL-2.1+ AND (GPL-2.0-only OR GPL-3.0-only) AND GPL-2.0+ AND (LGPL-2.1-only OR LGPL-3.0-only) AND GPL-2.0-only AND LGPL-2.0-only AND (LGPL-2.1+ OR GPL-2.0+) AND BSD-2-Clause AND LGPL-2.1-only"
 depends=""
 depends_dev="qt5-qtbase-dev qt5-qtsvg-dev karchive-dev kconfig-dev kio-dev
 	kconfigwidgets-dev kcoreaddons-dev kdbusaddons-dev kdoctools-dev