is `git clone --recursive` still needed?

The README.md mentions:

First, you'll want to check out this repository

git clone --recursive https://github.com/rust-lang/cargo
cd cargo

But cargo doesn't seem to have any submodules anymore.
If this is true, then can --recursive be removed?

[alexcrichton]

Ah nah this is outdated and should be fine to remove now!