NFL.com news: Vikings: 'No point' in filing notice to relocate. This isn't really a surprise. It hasn't been announced whether the NFL would even approve a move to Los Angeles.
It's still unclear which stadium they'll play in next season. Their lease has expired, and Kevin Seifert points out that this might be a good time to insist that the Vikings sign a multi-year lease to play in the Metrodome. That way there would be no relocation drama next year.
The Green Bay Packers won't find out until April when they'll be playing the Vikings next season. I hope they don't have to travel to Minnesota in December and find themselves playing in an outdoor stadium that isn't intended for winter football.