Add drop-order folder in test/ui/async-await

src/test/ui/async-await/auxiliary/issue-60674.rs

@@ -1,12 +0,0 @@
-// force-host
-// no-prefer-dynamic
-#![crate_type = "proc-macro"]
-
-extern crate proc_macro;
-use proc_macro::TokenStream;
-
-#[proc_macro_attribute]
-pub fn attr(_args: TokenStream, input: TokenStream) -> TokenStream {
-    println!("{}", input);
-    TokenStream::new()
-}