Remove duplicate gradle manager configuration

Removed redundant configuration for gradle manager.

Author: rubensworks

renovate.json

@@ -38,6 +38,10 @@
       "automerge": true,
       "automergeType": "branch"
     },
+    {
+      "matchManagers": ["gradle"],
+      "enabled": false
+    },
     {
       "matchManagers": ["gradle"],
       "matchPackagePatterns": [
@@ -46,10 +50,6 @@
       ],
       "automerge": true,
       "automergeType": "branch"
-    },
-    {
-      "matchManagers": ["gradle"],
-      "enabled": false
     }
   ],
   "github-actions": {