How can I edit the vendor list in Dawn theme without causing damage?

Store Design
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1

I realize that this was posted before, but the solution was pretty destructive.

https://community.shopify.com/c/shopify-discussions/how-to-remove-a-vendor-from-vendor-drop-down-list-on-product-set/m-p/738878#M170923

I want to remove a vendor from Vendor drop-down list on product set-up page

Has anyone got a better solution?