Improve error message for calling super() twice in a derived constructor

src/interpreter/bytecode-generator.h

Index: src/interpreter/bytecode-generator.h
diff --git a/src/interpreter/bytecode-generator.h b/src/interpreter/bytecode-generator.h
index 742ba1d1a5a63e8ac2c88fbb29c3533337dd9102..ed1187de846ddfe7f90db7475d481043eddd5bf2 100644
--- a/src/interpreter/bytecode-generator.h
+++ b/src/interpreter/bytecode-generator.h
@@ -110,7 +110,6 @@ class BytecodeGenerator final : public AstVisitor<BytecodeGenerator> {
   void BuildReThrow();
   void BuildAbort(BailoutReason bailout_reason);
   void BuildThrowIfHole(Handle<String> name);
-  void BuildThrowIfNotHole(Handle<String> name);
   void BuildThrowReferenceError(Handle<String> name);
   void BuildHoleCheckForVariableAssignment(Variable* variable, Token::Value op);