By Alistair Smout LONDON (Reuters) – Britain will retain thousands of European Union laws for at least the next two years, the government said on Thursday, setting out new targets for the heavily delayed process of removing EU law from the British statute book after Brexit. Britain had originally aimed to remove all retained EU laws (REUL) by the end of 2023 – a flagship policy for hardline Brexiteers but one which sparked warnings from businesses about legal uncertainty and bureaucratic chaos. Last May the government ditched that plan, instead proposing the revocation of only around 600 of th…