Move tracker to telemetry extension (#1092)

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

src/renderer/api/json-api.ts

@@ -1,7 +1,7 @@
 // Base http-service / json-api class
 
 import { stringify } from "querystring";
-import { EventEmitter } from "../utils/eventEmitter";
+import { EventEmitter } from "../../common/event-emitter";
 import { cancelableFetch } from "../utils/cancelableFetch";
 
 export interface JsonApiData {

src/renderer/api/websocket-api.ts

@@ -1,5 +1,5 @@
 import { observable } from "mobx";
-import { EventEmitter } from "../utils/eventEmitter";
+import { EventEmitter } from "../../common/event-emitter";
 
 interface IParams {
   url?: string;          // connection url, starts with ws:// or wss://