Removed janky fromJson override

Author: stubbo

src/Eloquent/Model.php

@@ -12,7 +12,6 @@
 use Illuminate\Contracts\Queue\QueueableCollection;
 use Illuminate\Contracts\Queue\QueueableEntity;
 use Illuminate\Contracts\Support\Arrayable;
-use Illuminate\Database\Eloquent\Casts\Json;
 use Illuminate\Database\Eloquent\Model as BaseModel;
 use Illuminate\Database\Eloquent\Relations\Relation;
 use Illuminate\Support\Arr;
@@ -285,16 +284,6 @@ protected function asDecimal($value, $decimals)
         }
     }
 
-    /** @inheritdoc */
-    public function fromJson($value, $asObject = false)
-    {
-        if (! is_string($value)) {
-            $value = Json::encode($value);
-        }
-
-        return Json::decode($value, ! $asObject);
-    }
-
     /** @inheritdoc */
     protected function castAttribute($key, $value)
     {