Remove flags for spread calls and arrays

src/parser.cc

Index: src/parser.cc
diff --git a/src/parser.cc b/src/parser.cc
index f0affc27985c5e8b68f7bfbd3e94755e9cb96426..f01ba89f72065947b4bdf7b32a52858d769360e7 100644
--- a/src/parser.cc
+++ b/src/parser.cc
@@ -920,9 +920,7 @@ Parser::Parser(ParseInfo* info)
   set_allow_harmony_sloppy_let(FLAG_harmony_sloppy_let);
   set_allow_harmony_rest_parameters(FLAG_harmony_rest_parameters);
   set_allow_harmony_default_parameters(FLAG_harmony_default_parameters);
-  set_allow_harmony_spread_calls(FLAG_harmony_spread_calls);
   set_allow_harmony_destructuring(FLAG_harmony_destructuring);
-  set_allow_harmony_spread_arrays(FLAG_harmony_spread_arrays);
   set_allow_harmony_new_target(FLAG_harmony_new_target);
   set_allow_strong_mode(FLAG_strong_mode);
   set_allow_legacy_const(FLAG_legacy_const);
@@ -4812,9 +4810,7 @@ PreParser::PreParseResult Parser::ParseLazyFunctionBodyWithPreParser(
     SET_ALLOW(harmony_sloppy_let);
     SET_ALLOW(harmony_rest_parameters);
     SET_ALLOW(harmony_default_parameters);
-    SET_ALLOW(harmony_spread_calls);
     SET_ALLOW(harmony_destructuring);
-    SET_ALLOW(harmony_spread_arrays);
     SET_ALLOW(harmony_new_target);
     SET_ALLOW(strong_mode);
     SET_ALLOW(harmony_do_expressions);