You can Delete Stock by Stock Id in Multi-Source Inventory (MSI) Magento 2 programmatically by passing stock id only.
Delete the Stock data by Stock id. If the stock is not found do nothing.
How to Disable Source in Multi-source Inventory (MSI) Magento 2.
Multi-Source Inventory module has the functionality to contains the number of sources to manage items at different warehouse/location and you can disable any custom source using MSI except the Default source.
Get Stock Data by stock id Multi Source Inventory(MSI) Magento 2.
Get Stock Data by given stock id for Multi-Source Inventory Magento 2.
Interface Magento\InventoryApi\Api\StockRepositoryInterface used to get stock repository information related data.