librustc: Remove bogus ValueMode. rs=tree-on-fire

src/librustc/middle/lint.rs

@@ -782,7 +782,6 @@ fn check_pat(tcx: ty::ctxt, pat: @ast::pat) {
                     span,
                     fmt!("binding `%s` should use ref or copy mode",
                          tcx.sess.str_of(path_to_ident(path))));
-                tcx.bad_bindings.insert(id, ());
             }
           }
         }

src/librustc/middle/ty.rs

@@ -429,10 +429,7 @@ struct DerivedFieldInfo {
       destructor_for_type: HashMap<ast::def_id, ast::def_id>,
 
       // A method will be in this list if and only if it is a destructor.
-      destructors: HashMap<ast::def_id, ()>,
-
-      // Records the value mode (read, copy, or move) for every value.
-      value_modes: HashMap<ast::node_id, ValueMode>,
+      destructors: HashMap<ast::def_id, ()>
       };
 
 enum tbox_flag {
@@ -971,8 +968,7 @@ fn mk_ctxt(s: session::Session,
       automatically_derived_methods: HashMap(),
       automatically_derived_methods_for_impl: HashMap(),
       destructor_for_type: HashMap(),
-      destructors: HashMap(),
-      value_modes: HashMap()}
+      destructors: HashMap()}
 }