minor #34768 [FrameworkBundle] Remove env var table from AboutCommand…

… (tuqqu)

This PR was squashed before being merged into the 5.1-dev branch.

Discussion
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[FrameworkBundle] Remove env var table from AboutCommand

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | -
| Deprecations? | -
| Tickets       | -
| License       | MIT
| Doc PR        | -

Fixed AboutCommand output by shortening environment variable value (replacing with `...`) to fit the screen width if the value is too long.

Right now all output is a mess if it does not fit in the terminal window.

Commits
-------

6962da9 [FrameworkBundle] Remove env var table from AboutCommand

src/Symfony/Bundle/FrameworkBundle/Command/AboutCommand.php

@@ -89,16 +89,6 @@ protected function execute(InputInterface $input, OutputInterface $output): int
             ['Xdebug', \extension_loaded('xdebug') ? 'true' : 'false'],
         ];
 
-        if ($dotenv = self::getDotenvVars()) {
-            $rows = array_merge($rows, [
-                new TableSeparator(),
-                ['<info>Environment (.env)</>'],
-                new TableSeparator(),
-            ], array_map(function ($value, $name) {
-                return [$name, $value];
-            }, $dotenv, array_keys($dotenv)));
-        }
-
         $io->table([], $rows);
 
         return 0;
@@ -129,16 +119,4 @@ private static function isExpired(string $date): bool
 
         return false !== $date && new \DateTime() > $date->modify('last day of this month 23:59:59');
     }
-
-    private static function getDotenvVars(): array
-    {
-        $vars = [];
-        foreach (explode(',', $_SERVER['SYMFONY_DOTENV_VARS'] ?? $_ENV['SYMFONY_DOTENV_VARS'] ?? '') as $name) {
-            if ('' !== $name && isset($_ENV[$name])) {
-                $vars[$name] = $_ENV[$name];
-            }
-        }
-
-        return $vars;
-    }
 }