refactor: remove deprecated code

Author: CodeWithDennis

app/Providers/AppServiceProvider.php

@@ -5,7 +5,6 @@
 namespace App\Providers;
 
 use Filament\Forms\Components\Field;
-use Filament\Forms\Components\Placeholder;
 use Filament\Infolists\Components\Entry;
 use Filament\Support\Components\Component;
 use Filament\Support\Concerns\Configurable;
@@ -29,7 +28,7 @@ public function boot(): void
 
     private function translatableComponents(): void
     {
-        foreach ([Field::class, BaseFilter::class, Placeholder::class, Column::class, Entry::class] as $component) {
+        foreach ([Field::class, BaseFilter::class, Column::class, Entry::class] as $component) {
             /* @var Configurable $component */
             $component::configureUsing(function (Component $translatable): void {
                 /** @phpstan-ignore method.notFound */