device-samsung-i9100: remove Weston configuration (MR 4713)

The only relevant backend available for Weston nowadays is the DRM one, so
remove this unnecessary config.

device/testing/device-samsung-i9100/APKBUILD

 # Reference: <https://postmarketos.org/devicepkg>
 pkgname=device-samsung-i9100
-pkgver=4
-pkgrel=10
+pkgver=5
+pkgrel=0
 pkgdesc="Samsung Galaxy SII"
 url="https://postmarketos.org"
 arch="armv7"
@@ -15,13 +15,11 @@ subpackages="
 	$pkgname-kernel-mainline:kernel_mainline
 	$pkgname-nonfree-firmware:nonfree_firmware
 	$pkgname-nonfree-firmware-front-camera:nonfree_firmware_front_camera
-	$pkgname-weston:weston
 	$pkgname-media-pipeline:media_pipeline
 "
 source="
 	deviceinfo
 	90-android-touch-dev.rules
-	weston.ini
 	media-pipeline.initd
 "
 
@@ -60,12 +58,6 @@ nonfree_firmware_front_camera() {
 	mkdir "$subpkgdir"
 }
 
-weston() {
-	install_if="$pkgname-kernel-mainline weston"
-	install -Dm644 "$srcdir"/weston.ini \
-		"$subpkgdir"/etc/xdg/weston/weston.ini
-}
-
 media_pipeline() {
 	install_if="$pkgname-kernel-mainline"
 	depends="v4l-utils"
@@ -76,6 +68,5 @@ media_pipeline() {
 sha512sums="
 3f9eea389812bb95efdc7921d50dc7589aafc70f7ad4ce7f2e16cda135ff2683ca07bfa899a000e9272ea7abf2cc28870782ade02f0a1f164dc6370e56918fa7  deviceinfo
 089635daddd88eec35451bfe98dc3713035e3623c896dd21305b990ecf422e8fbb54e010cf347919bbb3a7385f639ab119280477fe0783df3228168d97d96fc6  90-android-touch-dev.rules
-de794566118f1744d068a94e6a75b61d43f6749a4b0871a5270fa7a2048164d609c71fcffa61845c2a7dd4cb5fbeb72c0e4f8b73b382f36d6ff0bcc9b8a5ae25  weston.ini
 d3f06476be583f095189557e5269866cfc9346ddbf8d78267d7562fad7f5eca6b09b81fd08cd9690ecf88105bafe8f3ebd9136b68ab5cdaa8bfff740a8bdf3d2  media-pipeline.initd
 "

device/testing/device-samsung-i9100/weston.ini

-[core]
-xwayland=true
-backend=drm-backend.so
-[shell]
-background-image=/usr/share/wallpapers/postmarketos.jpg