Remove unused babel.cfg

This file is no longer used since [1] was merged.

[1] 79d13904aaa6c3ce39fe887df8263890528139b0

Change-Id: Ic07cf8a272b9f1f93bb6c858ca0dc5df8c73efbd
diff --git a/babel.cfg b/babel.cfg
deleted file mode 100644
index 15cd6cb..0000000
--- a/babel.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-[python: **.py]
-