Piwik\Plugin\Manager::removePluginFromPluginsInstalledConfig PHP Method

    private function removePluginFromPluginsInstalledConfig($pluginName)
    {
        $pluginsInstalled = Config::getInstance()->PluginsInstalled['PluginsInstalled'];
        $key = array_search($pluginName, $pluginsInstalled);
        if ($key !== false) {
            unset($pluginsInstalled[$key]);
        }
        $this->updatePluginsInstalledConfig($pluginsInstalled);
    }