Emerging from this week with unity over Fifa’s World Cup sell off was quite an acheivement but Europe cannot rest on its laurels It was a phrase not always heard when Europe’s football associations discuss a pressing issue. “Touchingly unanimous,” was the assessment of a senior Uefa executive within moments of Thursday afternoon’s seismic decision to boycott Fifa tournaments unless Gianni Infantino scraps his private investment plan. United fronts on this scale are vanishingly rare and there is…