Revert "Add a policy version."

Faugh. Typo.

This reverts commit adb481dd8e087ff351104942ff7c7b441a15623c

Change-Id: Id1ccc0a59cc79b8ad7171fcb6b3d8cb3aaf29bee
diff --git a/policy.version b/policy.version
deleted file mode 100644
index 45a4fb7..0000000
--- a/policy.version
+++ /dev/null
@@ -1 +0,0 @@
-8