message: Fixup the docs on crate-type
diff: @@ -809,9 +809,7 @@ crate-type = ["dylib"] # could be `staticlib` as well
  ```
  The available options are `dylib`, `rlib`, `staticlib`, `cdylib`, and
  -`proc-macro`. You should only use this option in a package. Cargo will always
  -compile packages (dependencies) based on the requirements of the package that
  -includes them.
  +`proc-macro`.
  You can read more about the different crate types in the
  [Rust Reference Manual](https://doc.rust-lang.org/reference/linkage.html)
  