Removed duplicate file.

Author: grokys

src/GitHub.VisualStudio.UI/GitHub.VisualStudio.UI.csproj

@@ -74,7 +74,6 @@
     <Compile Include="Base\TeamExplorerItemBase.cs" />
     <Compile Include="Colors.cs" />
     <Compile Include="Constants.cs" />
-    <Compile Include="Helpers\ScrollViewerUtilities.cs" />
     <Compile Include="Helpers\SharedDictionaryManager.cs" />
     <Compile Include="RepositoryOrigin.cs" />
     <Compile Include="Resources.Designer.cs">