Update renovate.json

Author: janseeger

renovate.json

@@ -4,10 +4,6 @@
     "config:recommended",
     "mergeConfidence:all-badges"
   ],
-  "packageRules": [
-    {
-      "automerge": true,
-      "platformAutomerge": true
-    }
-  ]
+  "automerge": true,
+  "platformAutomerge": true
 }