remove not necessary items

composer.json

@@ -8,17 +8,12 @@
   },
   "minimum-stability": "dev",
   "require": {
-    "d3/xrechnung_standalone": "dev-rel_1.0",
     "horstoeko/zugferd": "^1.0",
     "vlucas/phpdotenv": "^5.6",
     "horstoeko/zugferdvisualizer": "^1.0",
     "ajgl/composer-symlinker": "^0.2.5"
   },
   "repositories": [
-    {
-      "type": "vcs",
-      "url": "gitfhfac@git.d3data.de:D3Private/XRechnungLib.git"
-    }
   ],
   "scripts": {
     "post-install-cmd": [
@@ -29,13 +24,8 @@
     ]
   },
   "config": {
-    "preferred-install": {
-      "*": "dist"
-    },
     "platform": {
       "php": "8.1"
-    },
-    "allow-plugins": {
     }
   },
   "extra": {