The City of Paterson is set to auction the building that was Libby’s Lunch, the local landmark that for 84 years served up one of the city’s most treasured inventions, the Hot Texas Wiener. Paterson, which owns the building and the lot, has contracted with Max Spann Auctions, to sell the property. A one-day online auction is scheduled to start April 29. Although Libby’s didn’t invent the Hot Texas Wiener (that honor goes to another Paterson hot dog stand in the 1920s), the restaurant’s ideal location on McBride Avenue — just above Paterson’s Great Falls — certainly helped make it a popular des…