removal of unnecessary file, and composer update

vendor/symfony/console/Helper/ProgressBar.php

@@ -496,7 +496,7 @@ final class ProgressBar
         $regex = "{%([a-z\-_]+)(?:\:([^%]+))?%}i";
         $callback = function ($matches) {
             if ($formatter = $this::getPlaceholderFormatterDefinition($matches[1])) {
-                $text = \call_user_func($formatter, $this, $this->output);
+                $text = $formatter($this, $this->output);
             } elseif (isset($this->messages[$matches[1]])) {
                 $text = $this->messages[$matches[1]];
             } else {