Remove navigator.pointerEnabled (microsoft#1124)

This is an IE-only property.

Author: saschanaz

baselines/dom.generated.d.ts

@@ -9450,7 +9450,6 @@ interface Navigator extends NavigatorAutomationInformation, NavigatorConcurrentH
     readonly mediaDevices: MediaDevices;
     readonly mediaSession: MediaSession;
     readonly permissions: Permissions;
-    readonly pointerEnabled: boolean;
     readonly serviceWorker: ServiceWorkerContainer;
     getGamepads(): (Gamepad | null)[];
     requestMediaKeySystemAccess(keySystem: string, supportedConfigurations: MediaKeySystemConfiguration[]): Promise<MediaKeySystemAccess>;

inputfiles/addedTypes.jsonc

@@ -677,11 +677,6 @@
                 "name": "Navigator",
                 "properties": {
                     "property": {
-                        "pointerEnabled": {
-                            "name": "pointerEnabled",
-                            "readonly": true,
-                            "type": "boolean"
-                        },
                         "doNotTrack": {
                             "name": "doNotTrack",
                             "readonly": true,