Remove some unused messages.

src/messages.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 42 matching lines @@
 
 const kMessages = {
   // Error
   cyclic_proto:                 "Cyclic __proto__ value",
   // TypeError
   unexpected_token:             "Unexpected token %0",
   unexpected_token_number:      "Unexpected number",
   unexpected_token_string:      "Unexpected string",
   unexpected_token_identifier:  "Unexpected identifier",
   unexpected_eos:               "Unexpected end of input",
-  expected_label:               "Expected label",
   malformed_regexp:             "Invalid regular expression: /%0/: %1",
   unterminated_regexp:          "Invalid regular expression: missing /",
-  pcre_error:                   "PCRE function %0, error code %1",
   regexp_flags:                 "Cannot supply flags when constructing one RegExp from another",
   invalid_lhs_in_assignment:    "Invalid left-hand side in assignment",
   invalid_lhs_in_for_in:        "Invalid left-hand side in for-in",
   invalid_lhs_in_postfix_op:    "Invalid left-hand side expression in postfix operation",
   invalid_lhs_in_prefix_op:     "Invalid left-hand side expression in prefix operation",
   multiple_defaults_in_switch:  "More than one default clause in switch statement",
   newline_after_throw:          "Illegal newline after throw",
   redeclaration:                "%0 '%1' has already been declared",
   no_catch_or_finally:          "Missing catch or finally after try",
   unknown_label:                "Undefined label '%0'",
-  invalid_break:                "Invalid break statement",
-  invalid_continue:             "Invalid continue statement",
   uncaught_exception:           "Uncaught %0",
   stack_trace:                  "Stack Trace:\n%0",
   called_non_callable:          "%0 is not a function",
   undefined_method:             "Object %1 has no method '%0'",
   property_not_function:        "Property '%0' of object %1 is not a function",
-  null_or_undefined:            "Cannot access property of null or undefined",
   cannot_convert_to_primitive:  "Cannot convert object to primitive value",
   not_constructor:              "%0 is not a constructor",
   not_defined:                  "%0 is not defined",
   non_object_property_load:     "Cannot read property '%0' of %1",
   non_object_property_store:    "Cannot set property '%0' of %1",
   non_object_property_call:     "Cannot call method '%0' of %1",
-  illegal_eval:                 "Unsupported indirect eval() call",
   with_expression:              "%0 has no properties",
   illegal_invocation:           "Illegal invocation",
   no_setter_in_callback:        "Cannot set property %0 of %1 which has only a getter",
   apply_non_function:           "Function.prototype.apply was called on %0, which is a %1 and not a function",
   apply_wrong_args:             "Function.prototype.apply: Arguments list has wrong type",
   invalid_in_operator_use:      "Cannot use 'in' operator to search for '%0' in %1",
   instanceof_function_expected: "Expecting a function in instanceof check, but got %0",
   instanceof_nonobject_proto:   "Function has non-object prototype '%0' in instanceof check",
   null_to_object:               "Cannot convert null to object",
   reduce_no_initial:            "Reduce of empty array with no initial value",
   // RangeError
   invalid_array_length:         "Invalid array length",
-  invalid_array_apply_length:   "Function.prototype.apply supports only up to 1024 arguments",
   stack_overflow:               "Maximum call stack size exceeded",
   apply_overflow:               "Function.prototype.apply cannot support %0 arguments",
   // SyntaxError
   unable_to_parse:              "Parse error",
   duplicate_regexp_flag:        "Duplicate RegExp flag %0",
-  unrecognized_regexp_flag:     "Unrecognized RegExp flag %0",
   invalid_regexp:               "Invalid RegExp pattern /%0/",
   illegal_break:                "Illegal break statement",
   illegal_continue:             "Illegal continue statement",
   illegal_return:               "Illegal return statement",
   error_loading_debugger:       "Error loading debugger %0",
   no_input_to_regexp:           "No input to %0",
   result_not_primitive:         "Result of %0 must be a primitive, was %1",
   invalid_json:                 "String '%0' is not valid JSON",
   circular_structure:           "Converting circular structure to JSON"
 };
@@ skipping 755 matching lines @@
     return this.name + ": " + FormatMessage({ type: type, args: this.arguments });
   }
   var message = this.message;
   return this.name + (message ? (": " + message) : "");
 }, DONT_ENUM);
 
 
 // Boilerplate for exceptions for stack overflows. Used from
 // Top::StackOverflow().
 const kStackOverflowBoilerplate = MakeRangeError('stack_overflow', []);