DefaultAccess#getRelativePath: Remove redundant assignment

Change-Id: I289c222fd76c08e9fade2c8b9f3db78e361e9354
diff --git a/java/com/google/gitiles/DefaultAccess.java b/java/com/google/gitiles/DefaultAccess.java
index aabda3d..b49a9e4 100644
--- a/java/com/google/gitiles/DefaultAccess.java
+++ b/java/com/google/gitiles/DefaultAccess.java
@@ -157,7 +157,7 @@
   }
 
   private String getRelativePath(Repository repo) {
-    String path = repo.isBare() ? repo.getDirectory().getPath() : repo.getDirectory().getParent();
+    String path;
     if (repo.isBare()) {
       path = repo.getDirectory().getPath();
       if (path.endsWith(".git")) {