Remove stale usergroups
- Grazer BSD Stammtisch and Wiener BSD Stammtisch points to the same url
- The Swedish FreeBSD Community -> website down
- Ukrainian FreeBSD User Group (UAFUG) -> website down
- The Connecticut Free Unix Users Group (CFUG) -> Right now it's a personal blog
- Kansas Unix & Linux Users Association (KULUA) -> website down
- Phoenix BSD Users Group -> website down
- Greater Lansing Linux User Group -> website down
- Western Connecticut's Open Source User Group (WCOSUG) -> Commercial use
- The FreeBSD Mexican Community -> website down
- bug.dc.uba.ar -> website with another use
- The Daibou East *BSD Users Group (DEBUG) -> website down
- BSD Pakistan -> website down
- Mongolian Unix User Group (MUUG) -> website down
- Bangladeshi FreeBSD User Group -> website down