BRUSSELS (Reuters) – Belgium announced further easing of coronavirus restrictions on Friday to allow nightclubs to reopen and drop the requirement for primary school pupils to wear masks, as cases of the Omicron variant fell from an end-of-January peak. “The successive waves have not been easy for us,” Prime Minister Alexander De Croo told a news conference, referring to back-to-back Omicron and Delta variant surges. “But we have got through them and we have got through them together.” COVID-19 infections have fallen from a record 75,000 on Jan. 24 to an average of around 23,000 in the week to…