Fix minor linter issues

Author: kamilogorek

packages/core/test/lib/base.test.ts

@@ -1,6 +1,6 @@
 import { Hub, Scope } from '@sentry/hub';
 import { Event, Severity, Span } from '@sentry/types';
-import { logger, SentryError } from '@sentry/utils';
+import { logger, SentryError, SyncPromise } from '@sentry/utils';
 
 import { TestBackend } from '../mocks/backend';
 import { TestClient } from '../mocks/client';
@@ -856,7 +856,7 @@ describe('BaseClient', () => {
       const spy = jest.spyOn(TestBackend.instance!, 'eventFromMessage');
       spy.mockImplementationOnce(
         (message, level) =>
-          new SyncPromise((resolve, _reject) => {
+          new SyncPromise(resolve => {
             setTimeout(() => resolve({ message, level }), 150);
           }),
       );

packages/serverless/src/gcpfunction/index.ts

@@ -3,7 +3,6 @@ import { Integration } from '@sentry/types';
 
 import { GoogleCloudGrpc } from '../google-cloud-grpc';
 import { GoogleCloudHttp } from '../google-cloud-http';
-
 import { serverlessEventProcessor } from '../utils';
 
 export * from './http';