remove unused glob.py
diff --git a/xos/util/glob.py b/xos/util/glob.py
deleted file mode 100644
index 833ce35..0000000
--- a/xos/util/glob.py
+++ /dev/null
@@ -1,8 +0,0 @@
-import os, fnmatch
-
-def recursive_glob(treeroot, pattern):
-  results = []
-  for base, dirs, files in os.walk(treeroot):
-    goodfiles = fnmatch.filter(files, pattern)
-    results.extend(os.path.join(base, f) for f in goodfiles)
-  return results