Daunting isn’t a word I have ever equated with cleansing my bowels. It is now. After weeks of anxiety, days of pre-prep prep, and eliminating anything red, purple or blue from my diet — God bless the USA! — the “day before your procedure” has arrived at last. And by procedure, I mean the dreaded colonoscopy. Up until this day, I’ve avoided high-fiber foods, stopped eating raw vegetables (or any with seeds), corn, popcorn, nuts and anything else remotely resembling a seed. Sunday’s menu? NO SOLID FOOD. (They love to use ALL CAPS in the instructions. As if “no solid food” is somehow less disheartening.) Clear liquids. As in, black…