Remove useless imports. (#41220)

Author: lucasmichot

src/Illuminate/Translation/Translator.php

@@ -2,7 +2,6 @@
 
 namespace Illuminate\Translation;
 
-use Countable;
 use Illuminate\Contracts\Translation\Loader;
 use Illuminate\Contracts\Translation\Translator as TranslatorContract;
 use Illuminate\Support\Arr;