Revert "Try to fix failing test on bot."

This reverts r25931 since it didn't help.

BUG=

Review URL: https://codereview.chromium.org//22699003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@25933 260f80e4-7a28-3924-810f-c04153c831b5

lib/src/entrypoint.dart

@@ -270,15 +270,10 @@ class Entrypoint {
 
     return git.isInstalled.then((gitInstalled) {
       if (dirExists(path.join(root.dir, '.git')) && gitInstalled) {
-        // Make sure the path is relative to the root so that Git understands
-        // it's within the repository.
-        var relativeBeneath = beneath; //path.relative(beneath, from: root.dir);
-
         // List all files that aren't gitignored, including those not checked
         // in to Git.
         return git.run(
-            ["ls-files", "--cached", "--others", "--exclude-standard",
-             relativeBeneath],
+            ["ls-files", "--cached", "--others", "--exclude-standard", beneath],
             workingDir: root.dir).then((files) {
           // Git always prints files relative to the project root, but we want
           // them relative to the working directory. It also prints forward