Because Vz supported Gaddafi and still does.
There were many recent signed agreements between the two nations and looks like most will be cancelled. Maybe 10 out of a 100 will be honoured because these were passed by the National Assembly of Libya.
CNT seek to "cut" government relations "married" to Gaddafi
On the relations between Venezuela and Libya after the death of former leaders, Muammar al-Gaddafi, the internationalist Boersner Adriana said it is very likely that the Transitional Council of that country "wants to cut ties with governments that have been married (friends) to Gaddafi"