Migrate error messages, part 9.

src/messages.js

Index: src/messages.js
diff --git a/src/messages.js b/src/messages.js
index 60c703db07f15646ecee87e4a5b0dd682cff9383..8bab1a2015380016e60b77dad22cab63681c6177 100644
--- a/src/messages.js
+++ b/src/messages.js
@@ -75,9 +75,6 @@ var kMessages = {
   unknown_label:                 ["Undefined label '", "%0", "'"],
   uncaught_exception:            ["Uncaught ", "%0"],
   undefined_method:              ["Object ", "%1", " has no method '", "%0", "'"],
-  not_defined:                   ["%0", " is not defined"],
-  non_method:                    ["'super' is referenced from non-method"],
-  unsupported_super:             ["Unsupported reference to 'super'"],
   non_object_property_load:      ["Cannot read property '", "%0", "' of ", "%1"],
   non_object_property_store:     ["Cannot set property '", "%0", "' of ", "%1"],
   illegal_invocation:            ["Illegal invocation"],
@@ -159,9 +156,7 @@ var kMessages = {
   super_constructor_call:        ["A 'super' constructor call may only appear as the first statement of a function, and its arguments may not access 'this'. Other forms are not yet supported."],
   duplicate_proto:               ["Duplicate __proto__ fields are not allowed in object literals"],
   param_after_rest:              ["Rest parameter must be last formal parameter"],
-  constructor_noncallable:       ["Class constructors cannot be invoked without 'new'"],
   derived_constructor_return:    ["Derived constructors may only return object or undefined"],
-  array_not_subclassable:        ["Subclassing Arrays is not currently supported."],
   for_in_loop_initializer:       ["for-in loop variable declaration may not have an initializer."],
   for_of_loop_initializer:       ["for-of loop variable declaration may not have an initializer."],
   for_inof_loop_multi_bindings:  ["Invalid left-hand side in ", "%0", " loop: Must have a single binding."],