lint: Fix linting errors in api v2 tests

test/api/v2/groups/POST-groups_id_removeMember.test.js

@@ -1,12 +1,9 @@
 import {
   createAndPopulateGroup,
-  generateGroup,
-  generateUser,
   translate as t,
 } from '../../../helpers/api-integration.helper';
 
 describe('POST /groups/:id/removeMember', () => {
-
   context('user is not member of the group', () => {
     it('returns an error');
   });
@@ -45,7 +42,7 @@ describe('POST /groups/:id/removeMember', () => {
     it('can remove other members of guild', async () => {
       return leader.post(`/groups/${group._id}/removeMember`, null, {
         uuid: member._id,
-      }).then((res) => {
+      }).then(() => {
         return leader.get(`/groups/${group._id}`);
       }).then((guild) => {
         expect(guild.members).to.have.a.lengthOf(1);