Removed @self and @Trait.

src/libsyntax/ast.rs

@@ -964,7 +964,6 @@ pub enum ExplicitSelf_ {
     SelfStatic,                                // no self
     SelfValue,                                 // `self`
     SelfRegion(Option<Lifetime>, Mutability),  // `&'lt self`, `&'lt mut self`
-    SelfBox,                                   // `@self`
     SelfUniq                                   // `~self`
 }
 
@@ -1231,6 +1230,6 @@ mod test {
             },
         };
         // doesn't matter which encoder we use....
-        let _f = (@e as @serialize::Encodable<extra::json::Encoder>);
+        let _f = (&e as &serialize::Encodable<extra::json::Encoder>);
     }
 }