Update to 3.20.2-4

.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = nordvpn-bin
 	pkgdesc = NordVPN CLI tool for Linux
 	pkgver = 3.20.2
-	pkgrel = 3
+	pkgrel = 4
 	url = https://nordvpn.com/download/linux/
 	install = nordvpn-bin.install
 	arch = x86_64
@@ -10,8 +10,7 @@ pkgbase = nordvpn-bin
 	arch = aarch64
 	arch = armeabi
 	license = GPL3
-	depends = libxml2
-	optdepends = libxml2-legacy
+	depends = libxml2-legacy
 	provides = nordvpn
 	conflicts = openvpn-nordvpn
 	source_x86_64 = https://repo.nordvpn.com/deb/nordvpn/debian/pool/main/n/nordvpn/nordvpn_3.20.2_amd64.deb