[libgames-support] Simplify load_scores_from_file a bit

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 35dc29347646231778d8c3bb6f85d5686b271879
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Sun Feb 14 16:20:52 2016 -0600

    Simplify load_scores_from_file a bit

 games/scores/context.vala |   10 +++-------
 1 files changed, 3 insertions(+), 7 deletions(-)
---
diff --git a/games/scores/context.vala b/games/scores/context.vala
index d4815f2..f06b8f2 100644
--- a/games/scores/context.vala
+++ b/games/scores/context.vala
@@ -279,17 +279,13 @@ public class Context : Object
                 throw new FileError.FAILED ("Failed to parse %s for scores.", filename);
             }
 
-            if (tokens.length < 3)
-            {
-                user = Environment.get_real_name ();
-                debug ("Treating user as %s for old score in %s.", user, filename);
-            }
-
             var score_value = long.parse (tokens[0]);
             var time = int64.parse (tokens[1]);
 
-            if (user == null)
+            if (tokens.length == 3)
                 user = tokens[2];
+            else
+                debug ("Assuming current username for old score in %s.", filename);
 
             scores_of_single_category.add (new Score (score_value, time, user));
         }