Apply fixes from StyleCI

Author: StyleCIBot

src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php

@@ -11,7 +11,6 @@
 use DateTimeImmutable;
 use DateTimeInterface;
 use Illuminate\Contracts\Database\Eloquent\Castable;
-use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
 use Illuminate\Contracts\Database\Eloquent\CastsInboundAttributes;
 use Illuminate\Contracts\Support\Arrayable;
 use Illuminate\Database\Eloquent\Casts\AsArrayObject;

tests/Database/DatabaseEloquentModelTest.php

@@ -2,7 +2,6 @@
 
 namespace Illuminate\Tests\Database;
 
-use Closure;
 use DateTime;
 use DateTimeImmutable;
 use DateTimeInterface;
@@ -3365,7 +3364,7 @@ public function testMergeingStringableObjectCastUSesStringRepresentation()
         $stringable->cast = 'test';
 
         $model = (new EloquentModelCastingStub)->mergeCasts([
-            'something' => $stringable
+            'something' => $stringable,
         ]);
 
         $this->assertEquals('test', $model->getCasts()['something']);