remove wip backup-feature for later releases, see branch backup-feature

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

composer.json

@@ -57,9 +57,7 @@
 		"erusev/parsedown": "^1.7",
 		"symfony/console": "^5.4",
 		"pear/net_dns2": "^1.5",
-		"amnuts/opcache-gui": "^3.4",
-		"aws/aws-sdk-php": "^3.280",
-		"phpseclib/phpseclib": "~3.0"
+		"amnuts/opcache-gui": "^3.4"
     },
 	"require-dev": {
 		"phpunit/phpunit": "^9",