src/Composer/Config/JsonConfigSource.php
public function removeLink($type, $name)
    {
        $this->manipulateJson('removeSubNode', $type, $name, function (&$config, $type, $name) {
            unset($config[$type][$name]);

            if (0 === count($config[$type])) {
                unset($config[$type]);
            }
        });
    }
public function removeLink($type, $name)
    {
        $this->manipulateJson('removeSubNode', $type, $name, function (&$config, $type, $name) {
            unset($config[$type][$name]);

            if (0 === count($config[$type])) {
                unset($config[$type]);
            }
        });
    }
{@inheritdoc}