Make it so the main project doesn't need a direct reference to libgit2sharp, for ease of packaging

Author: shana

src/GitHub.Exports/Services/Services.cs

@@ -166,5 +166,10 @@ public static Repository GetRepoFromIGit(this IGitRepositoryInfo repoInfo)
                 return null;
             return new Repository(repoPath);
         }
+
+        public static UriString GetUriFromRepository(this IGitRepositoryInfo repoInfo)
+        {
+            return repoInfo.GetRepoFromIGit()?.GetUri();
+        }
     }
 }

src/GitHub.VisualStudio/Base/TeamExplorerItemBase.cs

@@ -47,8 +47,7 @@ protected virtual void RepoChanged()
             var repo = ActiveRepo;
             if (repo != null)
             {
-                var gitRepo = repo.GetRepoFromIGit();
-                var uri = gitRepo?.GetUri();
+                var uri = repo.GetUriFromRepository();
                 var name = uri?.RepositoryName;
                 if (name != null)
                 {

src/GitHub.VisualStudio/GitHub.VisualStudio.csproj

@@ -396,12 +396,6 @@
       <IncludeOutputGroupsInVSIX>BuiltProjectOutputGroup;GetCopyToOutputDirectoryItems;DebugSymbolsProjectOutputGroup;</IncludeOutputGroupsInVSIX>
       <IncludeOutputGroupsInVSIXLocalOnly>DebugSymbolsProjectOutputGroup;</IncludeOutputGroupsInVSIXLocalOnly>
     </ProjectReference>
-    <ProjectReference Include="..\..\submodules\libgit2sharp\LibGit2Sharp\LibGit2Sharp.csproj">
-      <Project>{ee6ed99f-cb12-4683-b055-d28fc7357a34}</Project>
-      <Name>LibGit2Sharp</Name>
-      <IncludeOutputGroupsInVSIX>BuiltProjectOutputGroup%3bGetCopyToOutputDirectoryItems%3bDebugSymbolsProjectOutputGroup%3b</IncludeOutputGroupsInVSIX>
-      <IncludeOutputGroupsInVSIXLocalOnly>DebugSymbolsProjectOutputGroup%3b</IncludeOutputGroupsInVSIXLocalOnly>
-    </ProjectReference>
     <ProjectReference Include="..\..\submodules\octokit.net\Octokit.Reactive\Octokit.Reactive.csproj">
       <Project>{674b69b8-0780-4d54-ae2b-c15821fa51cb}</Project>
       <Name>Octokit.Reactive</Name>