deletePluginConfiguration example

$this->eventDispatcher->dispatch(new PluginPreUninstallEvent($plugin, $uninstallContext));

        if (!$shopwareContext->hasState(self::STATE_SKIP_ASSET_BUILDING)) {
            $this->assetInstaller->removeAssetsOfBundle($pluginBaseClassString);
        }

        $pluginBaseClass->uninstall($uninstallContext);

        if (!$uninstallContext->keepUserData()) {
            $pluginBaseClass->removeMigrations();
            $this->systemConfigService->deletePluginConfiguration($pluginBaseClass);
        }

        $pluginId = $plugin->getId();
        $this->updatePluginData(
            [
                'id' => $pluginId,
                'active' => false,
                'installedAt' => null,
            ],
            $shopwareContext
        );