[parser] Cleanup: remove unused parameters to DeclareFunction

src/parsing/parser.cc

Index: src/parsing/parser.cc
diff --git a/src/parsing/parser.cc b/src/parsing/parser.cc
index efb76fd5d8ac0eccf8b14e223ab4e3b0bae84ae1..34567b7d6b61d74a5e2ba9093f2be8f290c8cd67 100644
--- a/src/parsing/parser.cc
+++ b/src/parsing/parser.cc
@@ -1481,8 +1481,7 @@ void Parser::DeclareAndInitializeVariables(
 
 Statement* Parser::DeclareFunction(const AstRawString* variable_name,
                                    FunctionLiteral* function, VariableMode mode,
-                                   int pos, bool is_generator, bool is_async,
-                                   bool is_sloppy_block_function,
+                                   int pos, bool is_sloppy_block_function,
                                    ZoneList<const AstRawString*>* names,
                                    bool* ok) {
   VariableProxy* proxy =