Remove variants by ID

When one or more variants of a product are discontinued or no longer required, you don't want them to appear as options for the product. This endpoint provides the flexibility to remove up to 25 variants by ID and manage options efficiently.

Note:
1. Variants are only detached from the given product, not deleted. They can be reattached to the same or another product at a later point.
2. At least one variant must be specified.
3. If you don't have product ID, use the corresponding SKU-based endpoint - POST /products/sku/{sku}/variants/actions/detach.