Strip all the scala-js bits out of utest.

Since travis was failing unable to find the scala-js
snapshot which utest has bundled but isn't even using
on this branch.

So NOW we have

 - a source dependency
 - on a subproject of
 - a side branch of
 - a hacked fork of
 - a new test framework
 - which is based on macros

I'm ready for the aircraft and medical device contracts
to start pouring in.