Last week, I wrote that American Express would become the exclusive issuer for Hilton Honors co-branded credit cards in the US. Current Citi Hilton cards will be automatically replaced with one of two re-branded American Express Hilton cards on January 30, 2018. I don’t want that to happen to my Citi Hilton card, so I plan on canceling. I’ll explain why. The Citi Hilton Honors Card will automatically be replaced with a Hilton Honors American Express Card. If you have the Citi Hilton Honors Reserve Card, it will be replaced with the Hilton Honors American Express Ascend Card. I have the no-annual-fee Citi Hilton Honors card, but my reasons would hold true for either card. Reason…