Remove explicit requires of Map and Set

Summary: Removing explicit requires of Map and Set (since those are polyfilled), and fixing resulting flow errors.

Reviewed By: yungsters

Differential Revision: D10350673

fbshipit-source-id: 2fefe8ed1ae1f2cc9e5b7923ad630e73eda9e856

Author: Emily Janzer

Diff for: Libraries/BugReporting/BugReporting.js

@@ -11,7 +11,6 @@
 'use strict';
 
 const RCTDeviceEventEmitter = require('RCTDeviceEventEmitter');
-const Map = require('Map');
 const infoLog = require('infoLog');
 
 import type EmitterSubscription from 'EmitterSubscription';

Diff for: Libraries/Experimental/WindowedListView.js

@@ -14,7 +14,6 @@ const Batchinator = require('Batchinator');
 const IncrementalGroup = require('IncrementalGroup');
 const React = require('React');
 const ScrollView = require('ScrollView');
-const Set = require('Set');
 const StyleSheet = require('StyleSheet');
 const Systrace = require('Systrace');
 const View = require('View');

Diff for: Libraries/Interaction/InteractionManager.js

@@ -12,7 +12,6 @@
 
 const BatchedBridge = require('BatchedBridge');
 const EventEmitter = require('EventEmitter');
-const Set = require('Set');
 const TaskQueue = require('TaskQueue');
 
 const infoLog = require('infoLog');

Diff for: Libraries/JSInspector/NetworkAgent.js

@@ -12,7 +12,6 @@
 
 const InspectorAgent = require('InspectorAgent');
 const JSInspector = require('JSInspector');
-const Map = require('Map');
 const XMLHttpRequest = require('XMLHttpRequest');
 
 import type EventSender from 'InspectorAgent';

Diff for: Libraries/Network/NetInfo.js

@@ -10,7 +10,6 @@
 
 'use strict';
 
-const Map = require('Map');
 const NativeEventEmitter = require('NativeEventEmitter');
 const NativeModules = require('NativeModules');
 const Platform = require('Platform');