If I understand the question correctly, there is no way to remove these recommendations...which is not surprising since it would not be in eBay's interest to allow a user to do so. I spent a few minutes trying to accomplish the same thing when I was compiling my own VCP-type data...I've since abandoned that effort as I'm now buying and selling a much broader range of cards.
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Check out my eBay listings for vintage graded baseball. BIN items are no more than 105% of VCP Average, auctions start at no more than 90% VCP Average. Refunds available on all sales. Buy and bid with confidence! 
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