removeCondition example

public function createProductNavigationCriteria(
        Request $request,
        ShopContextInterface $context,
        $categoryId
    ) {
        $criteria = $this->createCriteriaFromRequest($request, $context);

        $criteria
            ->offset(0)
            ->limit(null);

        $criteria->removeCondition('category');
        $criteria->addBaseCondition(new CategoryCondition([$categoryId]));

        $this->eventManager->notify('Shopware_SearchBundle_Create_Product_Navigation_Criteria', [
            'criteria' => $criteria,
            'request' => $request,
            'context' => $context,
        ]);

        $criteria->resetFacets();

        return $criteria;
    }

$sortings = array_shift($sortings);

            $this->setDefaultSorting($sortings);

            $this->view->assign('sortings', $sortings);
        }

        $criteria = $this->storeFrontCriteriaFactory
            ->createListingCriteria($this->Request(), $context);

        if ($condition = $criteria->getCondition('manufacturer')) {
            $criteria->removeCondition('manufacturer');
            $criteria->addBaseCondition($condition);
        }

        $categoryProducts = Shopware()->Modules()->Articles()->sGetArticlesByCategory(
            $context->getShop()->getCategory()->getId(),
            $criteria
        );
        if (!\is_array($categoryProducts)) {
            $categoryProducts = ['facets' => []];
        }