By Felix Keith Kevin De Bruyne was a shock omission from the Manchester City starting line-up when Pep Guardiola named his team to face Real Madrid on Tuesday night. Supporters were quick to accuse Guardiola of unnecessary tinkering for a big match after De Bruyne bagged two goals and an assist in City’s 4-2 win over Crystal Palace on the weekend. But, speaking ahead of kick-off at the Bernabeu, Guardiola explained that he had no choice but to drop him to the substitutes’ bench. “Vomit. He feels unwell,” he told TNT Sports. Asked if he could play any part, Guardiola added: “I don’t know. We ma…