update csproj

Author: paladique

src/UnitTests/UnitTests.csproj

@@ -191,7 +191,6 @@
     <Compile Include="GitHub.VisualStudio\Services\RepositoryPublishServiceTests.cs" />
     <Compile Include="GitHub.VisualStudio\TeamExplorer\Home\GraphsNavigationItemTests.cs" />
     <Compile Include="GitHub.VisualStudio\UI\Views\GitHubPaneViewModelTests.cs" />
-    <Compile Include="GitHubPackageTests.cs" />
     <Compile Include="Helpers\CommandTestHelpers.cs" />
     <Compile Include="Helpers\LazySubstitute.cs" />
     <Compile Include="Helpers\ReactiveTestHelper.cs" />