macros: remove unused cfg_tcp_quickack

Signed-off-by: ADD-SP <[email protected]>

tokio/src/macros/cfg.rs

@@ -704,27 +704,3 @@ macro_rules! cfg_tokio_uring {
         )*
     };
 }
-
-macro_rules! cfg_tcp_quickack{
-    ($($item:item)*) => {
-        $(
-            #[cfg(
-                any(
-                    target_os = "android",
-                    target_os = "fuchsia",
-                    target_os = "linux",
-                    target_os = "cygwin",
-                )
-            )]
-            #[cfg_attr(docsrs, doc(cfg(
-                any(
-                    target_os = "android",
-                    target_os = "fuchsia",
-                    target_os = "linux",
-                    target_os = "cygwin",
-                )
-            )))]
-            $item
-        )*
-    };
-}