JAN BORNMAN ON the 45th anniversary of the June 16 uprising in Soweto, dozens of people armed with sjamboks and sticks met in Diepkloof, Soweto, under the banner of Operation Dudula. A poster about it had been circulating for weeks online, warning “We will be removing all illegal foreign nationals by force!!!” Similar posters doing the rounds contained even more inflammatory language and images.  Flyers had also been hand-delivered to migrant-owned shops in the weeks leading up to Youth Day, which commemorates those who died at the hands of the oppressive apartheid forces on 16 June 1976 while protesting against…