[skip-ci] firefox: depends on xdg-desktop-portal

firefox/PKGBUILD

 pkgname=firefox
 pkgver=66.0.2
-pkgrel=3
+pkgrel=4
 pkgdesc="Standalone web browser from mozilla.org with OpenSUSE patch, integrate better with KDE"
 arch=('x86_64')
 license=('MPL' 'GPL' 'LGPL')
 url="https://www.mozilla.org/firefox/"
 depends=(gtk3 mozilla-common libxt startup-notification mime-types dbus-glib ffmpeg
-         libevent libproxy nss xdg-desktop-portal-kde)
+         libevent libproxy nss xdg-desktop-portal)
 makedepends=(unzip zip diffutils python2 yasm mesa imake inetutils xorg-server-xvfb
              autoconf2.13 gtk2 gobject-introspection jack rust llvm clang lld cbindgen nodejs nasm)
 optdepends=('networkmanager: Location detection via available WiFi networks'