Remove RcVec and RcSlice.

They're both unused now.

Author: nnethercote

src/libsyntax/lib.rs

@@ -145,12 +145,6 @@ pub mod util {
     #[cfg(test)]
     pub mod parser_testing;
     pub mod move_map;
-
-    mod rc_slice;
-    pub use self::rc_slice::RcSlice;
-
-    mod rc_vec;
-    pub use self::rc_vec::RcVec;
 }
 
 pub mod json;

src/libsyntax/util/rc_slice.rs

@@ -137,7 +137,6 @@ fn check(cache: &mut Cache,
        file.ends_with("symbol/struct.InternedString.html") ||
        file.ends_with("ast/struct.ThinVec.html") ||
        file.ends_with("util/struct.ThinVec.html") ||
-       file.ends_with("util/struct.RcSlice.html") ||
        file.ends_with("layout/struct.TyLayout.html") ||
        file.ends_with("humantime/struct.Timestamp.html") ||
        file.ends_with("log/index.html") ||