Controller/Adminhtml/FastlyCdn/Edge/Acl/Item/Delete.php
public function execute()
    {
        $result = $this->resultJson->create();

        try {
            $aclId = $this->getRequest()->getParam('acl_id');
            $aclItemId = $this->getRequest()->getParam('acl_item_id');

            $deleteItem = $this->api->deleteAclItem($aclId, $aclItemId);

            if (!$deleteItem) {
                return $result->setData(['status' => false]);
            }

            return $result->setData(['status' => true]);
        } catch (\Exception $e) {
            return $result->setData([
                'status'    => false,
                'msg'       => $e->getMessage()
            ]);
        }
    }
public function execute()
    {
        $result = $this->resultJson->create();

        try {
            $aclId = $this->getRequest()->getParam('acl_id');
            $aclItemId = $this->getRequest()->getParam('acl_item_id');

            $deleteItem = $this->api->deleteAclItem($aclId, $aclItemId);

            if (!$deleteItem) {
                return $result->setData(['status' => false]);
            }

            return $result->setData(['status' => true]);
        } catch (\Exception $e) {
            return $result->setData([
                'status'    => false,
                'msg'       => $e->getMessage()
            ]);
        }
    }
Delete ACL entry

@return $this|\Magento\Framework\App\ResponseInterface|\Magento\Framework\Controller\ResultInterface