Removed duplicate diagnostic.

src/compiler/diagnosticInformationMap.generated.ts

@@ -48,7 +48,7 @@ module ts {
         A_set_accessor_cannot_have_rest_parameter: { code: 1053, category: DiagnosticCategory.Error, key: "A 'set' accessor cannot have rest parameter." },
         A_get_accessor_cannot_have_parameters: { code: 1054, category: DiagnosticCategory.Error, key: "A 'get' accessor cannot have parameters." },
         Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { code: 1056, category: DiagnosticCategory.Error, key: "Accessors are only available when targeting ECMAScript 5 and higher." },
-        Enum_member_must_have_initializer: { code: -9999999, category: DiagnosticCategory.Error, key: "Enum member must have initializer." },
+        Enum_member_must_have_initializer: { code: 1061, category: DiagnosticCategory.Error, key: "Enum member must have initializer." },
         An_export_assignment_cannot_be_used_in_an_internal_module: { code: 1063, category: DiagnosticCategory.Error, key: "An export assignment cannot be used in an internal module." },
         Ambient_enum_elements_can_only_have_integer_literal_initializers: { code: 1066, category: DiagnosticCategory.Error, key: "Ambient enum elements can only have integer literal initializers." },
         Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { code: 1068, category: DiagnosticCategory.Error, key: "Unexpected token. A constructor, method, accessor, or property was expected." },

src/compiler/diagnosticMessages.json

@@ -1291,10 +1291,6 @@
         "category": "Error",
         "code": -9999999
     },
-    "Enum member must have initializer.": {
-        "category": "Error",
-        "code": -9999999
-    },
     "Ambient external modules cannot be nested in other modules.": {
         "category": "Error",
         "code": -9999999