Fix broken test (wgs optional in form completion)

src/test/java/org/eclipsefoundation/react/service/impl/DefaultMailerServiceTest.java

@@ -137,9 +137,6 @@ class DefaultMailerServiceTest {
         Assertions.assertThrows(IllegalStateException.class, () -> {
             mailerService.sendToMembershipTeam(f, org, wgs, null);
         });
-        Assertions.assertThrows(IllegalStateException.class, () -> {
-            mailerService.sendToMembershipTeam(f, org, Collections.emptyList(), contacts);
-        });
         Assertions.assertThrows(IllegalStateException.class, () -> {
             mailerService.sendToMembershipTeam(f, org, wgs, Collections.emptyList());
         });