Incorrect file path

Old Path

sites/all/README.txt

New Path

sites/README.txt

Drupal.gitignore

@@ -15,7 +15,7 @@ robots.txt
 /MAINTAINERS.txt
 /UPGRADE.txt
 /README.txt
-sites/all/README.txt
+sites/README.txt
 sites/all/modules/README.txt
 sites/all/themes/README.txt