Removed radio_image from volantis(g)

Removed the radio_image from volantis and volantisg boards.

BUG=b:28087501
TEST=None

Change-Id: I1c194c7c745073e09f98a83151bf7b54b2aac5f9
Reviewed-on: https://chromium-review.googlesource.com/424812
Commit-Ready: Benjamin Peake <bpeake@chromium.org>
Tested-by: Benjamin Peake <bpeake@chromium.org>
Reviewed-by: Dan Shi <dshi@chromium.org>
diff --git a/global_config.ini b/global_config.ini
index 11831f4..c2f8e5e 100644
--- a/global_config.ini
+++ b/global_config.ini
@@ -118,6 +118,10 @@
 
 # Index to upload metadata to.
 metadata_index:
+android_artifacts_volantis:bootloader_image,zip_images
+android_standalone_images_volantis:bootloader.img
+android_artifacts_volantisg:bootloader_image,zip_images
+android_Standalone_images_volantisg:bootloader.img
 
 [SERVER]
 hostname: cautotest