[2/2] Add BusyBox && clean-up

- add in busybox project: tracked by us
- remove remotes we do not use

Change-Id: I8701ff53cf9db834afa6fd6d370e9c2627064216
Signed-off-by: Chintan Shah <cgintan1998@gmail.com>
Merge branch 'lollipop' of https://github.com/VentureROM-L/android_manifest into lollipop