Don't initialize at the top of TimerTick.

The first tick will call `IncrementLaunchCount` which will call `LoadUsage` which will call `Initialize` for us.

Author: grokys

src/GitHub.VisualStudio/Services/UsageTracker.cs

@@ -94,8 +94,6 @@ async Task<UsageData> LoadUsage()
 
         async Task TimerTick()
         {
-            await Initialize();
-
             if (firstTick)
             {
                 await IncrementLaunchCount();