Delete README.md from config library

It is completely outdated.

Bug: 110478603
Test: run locally and remotely
Change-Id: I80cfbae31da6c8365ead6a51b74a33837648a7f0
Merged-In: I80cfbae31da6c8365ead6a51b74a33837648a7f0
(cherry picked from commit 37d47aefd6c771123883cc23d9aedd56b5bef092)
diff --git a/host/libs/config/README.md b/host/libs/config/README.md
deleted file mode 100644
index f2a8138..0000000
--- a/host/libs/config/README.md
+++ /dev/null
@@ -1,18 +0,0 @@
-# VM Configuration libraries
-
-This package supplies library that supports VM configuration by:
-
-* creating, initializing and verifying images used to create a VM,
-* creating configuration file that can be used with `libvirt` directly.
-
-## Details
-
-### `FilePartition`
-
-`FilePartition` class offers means to create (both persistent and ephemeral),
-initialize and access image files.
-
-### `GuestConfig`
-
-`GuestConfig` class builds XML configuration string based on supplied details
-that is used to initialize `libvirt` domain.