Do not import resource on windows for real

Change-Id: Ic6af3b7226f7bd73cfe9791e997a441970245174
diff --git a/tools/archive.py b/tools/archive.py
index 3eb0200..a3e15ba 100755
--- a/tools/archive.py
+++ b/tools/archive.py
@@ -13,7 +13,6 @@
 except ImportError:
   # Not a Unix system. Do what Gandalf tells you not to.
   pass
-import resource
 import shutil
 import subprocess
 import sys