A Swedish member of parliament from the right-wing populist Sweden Democrats has resigned his seat after chanting “foreigners out” at an post-election celebration, his party said on Monday. On an audio recording published by the Swedish newspaper Expressen, David Lång can be heard singing the anti-immigration lyrics to the party hit “L’Amour Toujours” at the event on Sunday evening. There have been several recent incidents involving racist slogans being sung to the Eurodance song by Gigi D’Agostino. There was outrage in Germany when a video showing young people in a pub on the island of Sylt c…