Remove unused variable.

Author: thomaslee

src/librustc/metadata/encoder.rs

@@ -387,7 +387,6 @@ fn encode_reexported_static_methods(ecx: @EncodeContext,
         Some(methods) => {
             match ecx.tcx.items.find(&exp.def_id.node) {
                 Some(&ast_map::node_item(item, path)) => {
-                    let interner = ecx.tcx.sess.parse_sess.interner;
                     let original_name = ecx.tcx.sess.str_of(item.ident);
                     if mod_path != *path || *exp.name != *original_name {
                         for methods.each |&m| {