chore: remove spec mention from prepare function test

tests/e2e/General/UsageTest.php

@@ -2,7 +2,6 @@
 
 namespace Tests\E2E\General;
 
-use Appwrite\Functions\Specification;
 use Appwrite\Tests\Retry;
 use CURLFile;
 use DateTime;
@@ -870,8 +869,7 @@ class UsageTest extends Scope
                     'users.*.delete',
                 ],
                 'schedule' => '0 0 1 1 *',
-                'timeout' => 10,
-                'specification' => Specification::S_8VCPU_8GB
+                'timeout' => 10
             ]
         );