🤖 Simplify `hello-world` stub (#1285)
🤖 Simplify `hello-world` stub (#1285)

* Simplify the `hello-world` exercise's stub. The goal of this is to make things easier for students to get started and to introduce as little syntax as possible.

* re-add comment

Co-authored-by: Erik Schierboom <6e321e24be838c7616721fdb824f9c65569cbfd8@hotmail.com>

Co-authored-by: Peter Goodspeed-Niklaus <dea3b09e269342fa2efe929fc2dabc7369dca99f@users.noreply.github.com>
petertseng/exercism-rust,petertseng/exercism-rust,petertseng/exercism-rust