Remove deprecated use of built-in http/git rules (#2952)
Remove deprecated use of built-in http/git rules (#2952)

The built-in http and git rules are being deprecated in favour of the
starlark versions.

Tested using `--incompatible_remove_native_git_repository` and
`--incompatible_remove_native_http_archive` flags.
bzz/kythe,bzz/kythe,bzz/kythe,bzz/kythe,bzz/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,kythe/kythe,bzz/kythe,bzz/kythe,kythe/kythe,kythe/kythe,bzz/kythe,kythe/kythe,kythe/kythe,bzz/kythe,bzz/kythe,bzz/kythe,kythe/kythe,kythe/kythe,bzz/kythe