Removing unused old code

Author: StanleyGoldman

src/UnityExtension/Assets/Editor/GitHub.Unity/GitHub.Unity.csproj

@@ -92,7 +92,6 @@
     <Compile Include="Misc\Styles.cs" />
     <Compile Include="Misc\Utility.cs" />
     <Compile Include="Services\AuthenticationService.cs" />
-    <Compile Include="Services\StatusService.cs" />
     <Compile Include="Tools\MozRoots.cs" />
     <Compile Include="UI\AuthenticationView.cs" />
     <Compile Include="UI\BranchesView.cs" />