Stop using macro_escape as an inner attribute

In preparation for the rename.

src/libsyntax/diagnostics/macros.rs

@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![macro_escape]
-
 #[macro_export]
 macro_rules! register_diagnostic {
     ($code:tt, $description:tt) => (__register_diagnostic! { $code, $description });

src/libsyntax/parse/mod.rs

@@ -24,8 +24,10 @@ use std::num::Int;
 use std::str;
 use std::iter;
 
-pub mod lexer;
+#[macro_escape]
 pub mod parser;
+
+pub mod lexer;
 pub mod token;
 pub mod attr;
 

src/libsyntax/parse/parser.rs

@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![macro_escape]
-
 pub use self::PathParsingMode::*;
 use self::ItemOrViewItem::*;