Vendoring deprecated composer libs

vendor/composer/autoload_namespaces.php

@@ -7,11 +7,8 @@ $baseDir = dirname($vendorDir);
 
 return array(
     'Pimple' => array($vendorDir . '/pimple/pimple/src'),
-    'PicoDb' => array($vendorDir . '/fguillot/picodb/lib'),
     'Parsedown' => array($vendorDir . '/erusev/parsedown'),
-    'PHPQRCode' => array($vendorDir . '/aferrandini/phpqrcode/lib'),
     'Otp' => array($vendorDir . '/christian-riesen/otp/src'),
-    'JsonRPC' => array($vendorDir . '/fguillot/json-rpc/src'),
     'Eluceo\\iCal' => array($vendorDir . '/eluceo/ical/src'),
     '' => array($baseDir . '/libs'),
 );