refactor(lib): Inline cfg_http1, cfg_http2 macros

src/cfg.rs

@@ -24,24 +24,6 @@ macro_rules! cfg_proto {
 }
 
 cfg_proto! {
-    macro_rules! cfg_http1 {
-        ($($item:item)*) => {
-            cfg_feature! {
-                #![feature = "http1"]
-                $($item)*
-            }
-        }
-    }
-
-    macro_rules! cfg_http2 {
-        ($($item:item)*) => {
-            cfg_feature! {
-                #![feature = "http2"]
-                $($item)*
-            }
-        }
-    }
-
     macro_rules! cfg_client {
         ($($item:item)*) => {
             cfg_feature! {

src/proto/mod.rs

@@ -1,6 +1,8 @@
 //! Pieces pertaining to the HTTP message protocol.
 
-cfg_http1! {
+cfg_feature! {
+    #![feature = "http1"]
+
     pub(crate) mod h1;
 
     pub(crate) use self::h1::Conn;
@@ -11,9 +13,8 @@ cfg_http1! {
     pub(crate) use self::h1::ServerTransaction;
 }
 
-cfg_http2! {
+#[cfg(feature = "http2")]
 pub(crate) mod h2;
-}
 
 /// An Incoming Message head. Includes request/status line, and headers.
 #[derive(Debug, Default)]