Remove Scope::scope_uses_arguments_ flag

src/preparser.h

Index: src/preparser.h
diff --git a/src/preparser.h b/src/preparser.h
index 543f82ee56a281dfc5984a7aa9a9be91319cf659..bdc0bdceba89a83beee326da42d0791e1575cc2e 100644
--- a/src/preparser.h
+++ b/src/preparser.h
@@ -2071,7 +2071,6 @@ ParserBase<Traits>::ParseAndClassifyIdentifier(ExpressionClassifier* classifier,
       classifier->RecordExpressionError(scanner()->location(),
                                         "strong_arguments");
     }
-    if (this->IsArguments(name)) scope_->RecordArgumentsUsage();
     return name;
   } else if (is_sloppy(language_mode()) &&
              (next == Token::FUTURE_STRICT_RESERVED_WORD ||
@@ -2104,7 +2103,6 @@ typename ParserBase<Traits>::IdentifierT ParserBase<
   }
 
   IdentifierT name = this->GetSymbol(scanner());
-  if (this->IsArguments(name)) scope_->RecordArgumentsUsage();
   return name;
 }
 
@@ -2122,7 +2120,6 @@ ParserBase<Traits>::ParseIdentifierName(bool* ok) {
   }
 
   IdentifierT name = this->GetSymbol(scanner());
-  if (this->IsArguments(name)) scope_->RecordArgumentsUsage();
   return name;
 }