Remove undefined (and unused) $groups
Remove undefined (and unused) $groups

meatcar/frontend,Yetangitu/frontend,meatcar/frontend,mrzen/trovebox,yetixxx83/frontend,photo/frontend,photo/frontend,mrzen/trovebox,Yetangitu/frontend,mrzen/trovebox,yetixxx83/frontend,ashwingj/frontend,photo/frontend,EMarcais/frontend,Yetangitu/frontend,ashwingj/frontend,mrzen/trovebox,ashwingj/frontend,EMarcais/frontend,ashwingj/frontend,yetixxx83/frontend,yetixxx83/frontend,Yetangitu/frontend,EMarcais/frontend,meatcar/frontend,meatcar/frontend,photo/frontend,EMarcais/frontend