Remove outdated prebuilts from overlay.

These prebuilts aren't updated anymore -- we update the private overlays

BUG=chrome-os-partner:4169, chromium-os:15954
TEST=Verify these outdated binhosts aren't used anymore and don't
     overwrite our latest binhosts saved in the private overlays.

(cherry picked from commit da48225a94122408fbcd9a8580c0010a8e78271a)

Change-Id: I236168a56107a676e02529bd82321c8e9d97a29d
Reviewed-by: Scott Zawalski <>
Reviewed-by: Scott Zawalski <>
Tested-by: David James <>
8 files changed