Piwik\Plugin\Manager::removePluginFromPluginsConfig PHP Method

    private function removePluginFromPluginsConfig($pluginName)
    {
        $pluginsEnabled = $this->pluginList->getActivatedPlugins();
        $key = array_search($pluginName, $pluginsEnabled);
        if ($key !== false) {
            unset($pluginsEnabled[$key]);
        }
        $this->updatePluginsConfig($pluginsEnabled);
    }