Don't track unneeded toolchains

Change-Id: I3737c74236b5ba04a605e782e348144bc3fff4e5
Don't track the AnyKernel repo
kernelZip is used in place of this. I am removing it from the manifest to avoid any confusion.

Change-Id: Ie2f4fcb54588452b0b9459101d19ee79c4acad95