A Cheektowaga building whose tenants include Metro Community newspapers is heading for the auctioneer’s block. Cash Realty & Auctions has been retained to auction the 75,000-square-foot building at 75 Boxwood Lane. The auction is set for 10 a.m., April 26 at the property. The six-acre property is owned by a local investment group, 75 Boxwood LLC, none of whom are connected to the current tenant’s in the building. “We are getting some calls,” said Cash Cunningham, who will be handling the…