Simplify example

https://github.com/crate/crate-pdo/pull/151/files#r1448115823

docs/connect.rst

@@ -107,23 +107,20 @@ by setting the connection's ``CRATE_ATTR_SSL_MODE`` attribute:
 
 .. code-block:: php
 
-   <?php
-	require __DIR__ . '/vendor/autoload.php';
-	use Crate\PDO\PDOCrateDB;
-	$dsn = 'crate:yourcluster.yourdomain.com:4200';
-	$user = 'user1';
-	echo "Enter pwd for the user1 account: ";
-	$password = rtrim(fgets(STDIN));
-	$options = null;
-	$connection = new PDOCrateDB($dsn, $user, $password, $options);
-	$connection->setAttribute(PDOCrateDB::CRATE_ATTR_SSL_MODE, PDOCrateDB::CRATE_ATTR_SSL_MODE_REQUIRED);
-	$stmt = $connection->prepare('SELECT mountain FROM sys.summits LIMIT 1;');
-	$stmt->execute();
-	$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
-	foreach ($rows as $row) {
-			print_r($row);
-		}
-	?>
+   require __DIR__ . '/vendor/autoload.php';
+   use Crate\PDO\PDOCrateDB;
+   $dsn = 'crate:yourcluster.yourdomain.com:4200';
+   $user = 'user1';	
+   $password = '<SECRET>';
+   $options = null;
+   $connection = new PDOCrateDB($dsn, $user, $password, $options);
+   $connection->setAttribute(PDOCrateDB::CRATE_ATTR_SSL_MODE, PDOCrateDB::CRATE_ATTR_SSL_MODE_REQUIRED);
+   $stmt = $connection->prepare('SELECT mountain FROM sys.summits LIMIT 1;');
+   $stmt->execute();
+   $rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
+   foreach ($rows as $row) {
+		print_r($row);
+	}
 
 If this is not configured you will see the following error message: 
 ``cURL error 52: Empty reply from server``