fixing lint and incorrect commenting in test

Author: tanderson-ld

packages/shared/sdk-client/__tests__/LDClientImpl.storage.test.ts

@@ -136,7 +136,6 @@ describe('sdk-client storage', () => {
       expect.stringMatching('LaunchDarkly_1234567890123456_1234567890123456'),
     );
 
-    // 'change' should not have been emitted
     expect(emitter.emit).toHaveBeenCalledWith(
       'change',
       expect.objectContaining(toMulti(context)),

packages/shared/sdk-client/src/LDClientImpl.ts

@@ -11,8 +11,6 @@ import {
   LDHeaders,
   LDLogger,
   Platform,
-  ProcessStreamResponse,
-  EventName as StreamEventName,
   subsystem,
   timedPromise,
   TypeValidators,