tablet-x86uefi: remove x11 subpackage (MR 3942)

The modesetting driver previously provided by xf86-video-modesetting is
now shipped with xorg-server.

device/testing/device-tablet-x86uefi/APKBUILD

@@ -1,8 +1,8 @@
 # Reference: <https://postmarketos.org/devicepkg>
 pkgname=device-tablet-x86uefi
 pkgdesc="Various tablets with atom CPU"
-pkgver=3
-pkgrel=3
+pkgver=4
+pkgrel=0
 url="https://postmarketos.org"
 license="MIT"
 arch="x86_64"
@@ -10,7 +10,7 @@ options="!check !archcheck"
 depends="postmarketos-base linux-lts libva-intel-driver grub-x86 alsa-ucm-conf"
 makedepends="devicepkg-dev"
 source="deviceinfo grub.cfg phoc.ini"
-subpackages="$pkgname-phosh $pkgname-x11"
+subpackages="$pkgname-phosh"
 
 build() {
 	devicepkg_build $startdir $pkgname
@@ -29,12 +29,6 @@ phosh() {
 		"$subpkgdir"/etc/phosh/phoc.ini
 }
 
-x11() {
-	install_if="$pkgname=$pkgver-r$pkgrel xorg-server"
-	depends="xf86-video-modesetting"
-	mkdir "$subpkgdir"
-}
-
 sha512sums="
 c9c81c6b57211c260a7a834c880068e5dec2a70a4502d0b4df7962c45d2f6019e7082bccbcc1eb7cee23adb7f05bc38f638010802e41279107cc7740d80e3fbe  deviceinfo
 2d951d71102181db85a2468fd770ee3a7958c06b14e27e52e0d4ff0e9b88f3ab3c5c9b15c8a938d1cd2ae0c94ad2aad7001f1b6fe943f96a38602085f481a4cf  grub.cfg