Remove unused babel.cfg

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

[1] a3fef5ccca3d8481b702e5efc8f4b757bd30302e

Change-Id: I8cfdc80993aa62780322a04c3a48daae6317337e
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]
-