Apply suggestions from code review.

Co-authored-by: Lessley Dennington <ldennington@github.com>

Author: Bene81

src/shared/Core/UriExtensions.cs

@@ -102,13 +102,13 @@ public static IEnumerable<string> GetGitConfigurationScopes(this Uri uri)
                 }
             }
 
-            // check whether the host specification contains of hostname only
-            // this usually means, the git hosting instance is part of your local
-            // network.
-            if (!(string.IsNullOrWhiteSpace(host) || string.IsNullOrEmpty(host)) &&
+            // Check whether the URL only contains hostname.
+            // This usually means the host is on your local network.
+            if (!string.IsNullOrWhiteSpace(host) &&
                 !host.Contains("."))
             {
                 yield return $"{schemeAndDelim}{host}";
+                // If we have reached this point, there are no more subdomains to unfold, so exit early.
                 yield break;
             }