fix: fix function for signups

supabase/schemas/0001_users.sql

@@ -17,8 +17,8 @@ LANGUAGE plpgsql
     SET search_path = ''
 AS $$
 BEGIN
-    INSERT INTO public.users (id, contact_email)
-    VALUES (NEW.id, NEW.email);
+    INSERT INTO public.users (id)
+    VALUES (NEW.id);
     RETURN NEW;
 END;
 $$;