Cleanup setup.lua to remove produce_instance_configs calls
Cleanup setup.lua to remove produce_instance_configs calls

This removes the unnecessary calls to produce an instance
configuration as that's already being passed to them. It also fixes a
bug where they were all being passed the same instances' configs.

dpino/snabbswitch,alexandergall/snabbswitch,Igalia/snabb,snabbco/snabb,dpino/snabb,eugeneia/snabb,dpino/snabbswitch,alexandergall/snabbswitch,eugeneia/snabb,dpino/snabbswitch,snabbco/snabb,Igalia/snabbswitch,dpino/snabb,snabbco/snabb,eugeneia/snabbswitch,eugeneia/snabb,SnabbCo/snabbswitch,eugeneia/snabb,SnabbCo/snabbswitch,eugeneia/snabb,alexandergall/snabbswitch,snabbco/snabb,dpino/snabb,Igalia/snabb,Igalia/snabbswitch,eugeneia/snabbswitch,alexandergall/snabbswitch,alexandergall/snabbswitch,eugeneia/snabbswitch,eugeneia/snabb,dpino/snabbswitch,alexandergall/snabbswitch,eugeneia/snabb,snabbco/snabb,alexandergall/snabbswitch,Igalia/snabb,alexandergall/snabbswitch,Igalia/snabb,eugeneia/snabb,snabbco/snabb,snabbco/snabb,dpino/snabb,SnabbCo/snabbswitch,Igalia/snabb,Igalia/snabb,Igalia/snabb,snabbco/snabb,Igalia/snabbswitch,Igalia/snabb,SnabbCo/snabbswitch,dpino/snabb,Igalia/snabbswitch,dpino/snabb,Igalia/snabbswitch,dpino/snabb,eugeneia/snabbswitch