doc: Remove mentions of oldmap::HashMap

Author: alexcrichton

doc/rust.md

@@ -441,11 +441,11 @@ expression context, the final namespace qualifier is omitted.
 Two examples of paths with type arguments:
 
 ~~~~
-# use std::oldmap;
+# use core::hashmap::linear::LinearMap;
 # fn f() {
 # fn id<T:Copy>(t: T) -> T { t }
-type t = oldmap::HashMap<int,~str>;  // Type arguments used in a type expression
-let x = id::<int>(10);           // Type arguments used in a call expression
+type t = LinearMap<int,~str>;  // Type arguments used in a type expression
+let x = id::<int>(10);         // Type arguments used in a call expression
 # }
 ~~~~
 

doc/tutorial.md

@@ -1829,8 +1829,8 @@ illegal to copy and pass by value.
 Generic `type`, `struct`, and `enum` declarations follow the same pattern:
 
 ~~~~
-# use std::oldmap::HashMap;
-type Set<T> = HashMap<T, ()>;
+# use core::hashmap::linear::LinearMap;
+type Set<T> = LinearMap<T, ()>;
 
 struct Stack<T> {
     elements: ~[T]