Remove superfluous queryset definition from model form.

Also, update submodules.

BiscuIT-App-Chronos @ 86ae7def

-Subproject commit 422e1172a333e5d86cc86ef3234c97cd29c83588
+Subproject commit 86ae7deff02652a06d7f7d83017ce16da0718cc2

BiscuIT-App-Exlibris @ eca95dde

-Subproject commit 2f773ba3141dd9a6c6c68438ac32b1ba917d7dcc
+Subproject commit eca95dde4f327a3ce2acc29c2c00cf0128f7466e

biscuit/core/forms.py

@@ -72,9 +72,3 @@ class EditGroupForm(forms.ModelForm):
     class Meta:
         model = Group
         fields = ['name', 'short_name', 'members', 'owners', 'parent_groups']
-
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        self.fields['members'].queryset = Person.objects.all()
-        self.fields['owners'].queryset = Person.objects.all()
-        self.fields['parent_groups'].queryset = Group.objects.all()