Revert "Create directory to put power device firmware"

Removing README.md and device-images, due to community review comments
in  68957 and 68955.

This reverts commit e2e32b27cd9763c1ed5df3368bbab3b937e9a5e9.

Change-Id: I01802111e8e25c5c18b1810de6c1b9702c2a9bea
Signed-off-by: Faisal Awada <faisal@us.ibm.com>
diff --git a/device-images/README.md b/device-images/README.md
deleted file mode 100644
index 9a0d215..0000000
--- a/device-images/README.md
+++ /dev/null
@@ -1,6 +0,0 @@
-# Power device firmware images
-
-The goal of this directory is to store power device firmware images. Typically
-the firmware image will be flashed to the power device to enable the hardware to
-continue to operate efficiently, to fix performace issues, or to fix existing
-firmware bugs.