Update documentation

src/musicplayer.gleam

@@ -8,14 +8,8 @@ import musicplayer/ui/ui
 
 pub fn main() -> Nil {
   let input_keys_name: Name(Key) = process.new_name("input_keys")
-
-  // `input_inject` is created by name to allow the `input` process that
-  // owns `read_input` to be able to register and receive from it,
-  //  while the any other processes can use the name reference to
-  // inject input
   let input_inject_name: Name(Key) = process.new_name("input_inject_keys")
 
-  // TODO should input.new just return the inject_subject?
   input.new(input_keys_name, input_inject_name)
 
   let assert Ok(ui) = ui.new()