fixed linting errors

Author: iamshobhraj

kolibri/core/assets/src/state/modules/core/actions.js

@@ -1,25 +1,12 @@
 import debounce from 'lodash/debounce';
-import pick from 'lodash/pick';
-import client from 'kolibri/client';
 import heartbeat from 'kolibri/heartbeat';
 import logger from 'kolibri-logging';
 import FacilityResource from 'kolibri-common/apiResources/FacilityResource';
 import FacilityDatasetResource from 'kolibri-common/apiResources/FacilityDatasetResource';
 import UserSyncStatusResource from 'kolibri-common/apiResources/UserSyncStatusResource';
-import { setServerTime } from 'kolibri/utils/serverClock';
-import urls from 'kolibri/urls';
 import redirectBrowser from 'kolibri/utils/redirectBrowser';
-import CatchErrors from 'kolibri/utils/CatchErrors';
 import { nextTick } from 'vue';
-import Lockr from 'lockr';
-import {
-  DisconnectionErrorCodes,
-  LoginErrors,
-  ERROR_CONSTANTS,
-  UPDATE_MODAL_DISMISSED,
-} from 'kolibri/constants';
-import { browser, os } from 'kolibri/utils/browserInfo';
-import { baseSessionState } from '../session';
+import { DisconnectionErrorCodes } from 'kolibri/constants';
 
 const logging = logger.getLogger(__filename);