Only refresh Team Explorer when new repo

Team Explorer was being flooded with repository StatusChanged events
which were being processes asynchronously.

Author: jcansdale

src/GitHub.TeamFoundation.14/Base/TeamExplorerNavigationItemBase.cs

@@ -41,12 +41,6 @@ public TeamExplorerNavigationItemBase(IGitHubServiceProvider serviceProvider,
 
             ActiveRepo = holder.TeamExplorerContext.ActiveRepository;
             holder.TeamExplorerContext.PropertyChanged += TeamExplorerContext_PropertyChanged;
-            holder.TeamExplorerContext.StatusChanged += TeamExplorerContext_StatusChanged;
-        }
-
-        void TeamExplorerContext_StatusChanged(object sender, EventArgs e)
-        {
-            UpdateRepoOnMainThread(holder.TeamExplorerContext.ActiveRepository);
         }
 
         void TeamExplorerContext_PropertyChanged(object sender, PropertyChangedEventArgs e)
@@ -103,7 +97,6 @@ protected void OpenInBrowser(Lazy<IVisualStudioBrowser> browser, string endpoint
         void Unsubscribe()
         {
             holder.TeamExplorerContext.PropertyChanged -= TeamExplorerContext_PropertyChanged;
-            holder.TeamExplorerContext.StatusChanged -= TeamExplorerContext_StatusChanged; ;
         }
 
         bool disposed;

src/GitHub.VisualStudio.UI/Base/TeamExplorerItemBase.cs

@@ -76,12 +76,6 @@ void SubscribeToRepoChanges()
         {
             UpdateRepo(holder.TeamExplorerContext.ActiveRepository);
             holder.TeamExplorerContext.PropertyChanged += TeamExplorerContext_PropertyChanged;
-            holder.TeamExplorerContext.StatusChanged += TeamExplorerContext_StatusChanged;
-        }
-
-        void TeamExplorerContext_StatusChanged(object sender, EventArgs e)
-        {
-            UpdateRepoOnMainThread(holder.TeamExplorerContext.ActiveRepository);
         }
 
         void TeamExplorerContext_PropertyChanged(object sender, PropertyChangedEventArgs e)
@@ -104,7 +98,6 @@ void UpdateRepoOnMainThread(LocalRepositoryModel repo)
         void Unsubscribe()
         {
             holder.TeamExplorerContext.PropertyChanged -= TeamExplorerContext_PropertyChanged;
-            holder.TeamExplorerContext.StatusChanged -= TeamExplorerContext_StatusChanged;
 
             if (TEServiceProvider != null)
                 holder.ClearServiceProvider(TEServiceProvider);