By John Irish SCHLOSS ELMAU, Germany (Reuters) – After clashing last year over sausages and submarines, France’s Emmanuel Macron and Britain’s Boris Johnson were all smiles at a G7 summit on Sunday, with disputes over Brexit not even coming up at bilateral talks focused mainly on Ukraine. The leaders of Europe’s two main military powers jovially exchanged pleasantries at the start of their meeting, reflecting what a French presidency official described as a deliberate attempt to “revitalise the relationship and warm it up”. The two had decided to focus on Ukraine and the consequences of the wa…