Remove obsolete file

src/Symfony/Bundle/FrameworkBundle/Resources/views/Form/week_widget.html.php

@@ -1,14 +0,0 @@
-<?php if ($widget == 'single_text'): ?>
-    <?php echo $view['form']->block($form, 'form_widget_simple'); ?>
-<?php else: ?>
-    <?php $vars = $widget == 'text' ? ['attr' => ['size' => 1]] : [] ?>
-    <div <?php echo $view['form']->block($form, 'widget_container_attributes') ?>>
-        <?php
-            // There should be no spaces between the colons and the widgets, that's why
-            // this block is written in a single PHP tag
-            echo $view['form']->widget($form['year'], $vars);
-            echo '-';
-            echo $view['form']->widget($form['week'], $vars);
-        ?>
-    </div>
-<?php endif ?>