It’s hard to nail down any major positive takeaways in a 31-6 home loss as a two-score favorite, certainly when talking about an offense that failed to find the end zone and totaled just 183 yards including 44 through the air. Kentucky laid an egg against South Carolina, no other way to spin it. It’s why Mark Stoops called it an all-systems failure on Saturday afternoon. “That’s 100% on me and on us. No excuses,” he said. “They beat us in every facet and we didn’t respond. We didn’t play very good and we didn’t coach very good. We have a lot of work to do.” If there is one thing for the team t…