Stop saving off the vblock when building a recovery image.

Nobody seems to use it, and generating a separate vblock is something we're
trying to deprecate.

TEST=Ran a trybot for butterfly with --hwtest. Built a recovery image for
lumpy locally.

Change-Id: I9cb921cdc11d72c11ae89306fbab41a564582b7b
Reviewed-by: Don Garrett <>
Reviewed-by: Hung-Te Lin <>
Tested-by: Gabe Black <>
Commit-Queue: Gabe Black <>
1 file changed