public function delete($productId, ProductImage $productImage)
    {
        $endpoint = '/admin/products/'.$productId.'/images/'.$productImage->id.'.json';
        return $this->request($endpoint, 'DELETE');
    }
public function delete($productId, ProductImage $productImage)
    {
        $endpoint = '/admin/products/'.$productId.'/images/'.$productImage->id.'.json';
        return $this->request($endpoint, 'DELETE');
    }
public function delete ( $ productId , ProductImage $ productImage ) { $ endpoint = '/admin/products/' . $ productId . '/images/' . $ productImage -> id . '.json' ; return $ this -> request ( $ endpoint , 'DELETE' ) ; }
Delete a product image

@link   https://help.shopify.com/api/reference/product_image#destroy
@param  integer      $productId
@param  ProductImage $productImage
@return void
Delete a product image