message: sv: fix comment duplication on assign statement
diff: @@ -735,13 +735,9 @@ void VerStatementParser::visitContinuous_assign(
  }
  auto lva = ctx->list_of_variable_assignments();
  // list_of_variable_assignments: variable_assignment ( COMMA variable_assignment )*;
  - bool first = true;
  + // doc assigned from top
  for (auto _va : lva->variable_assignment()) {
  auto va = visitVariable_assignment(_va);
  - if (first) {
  - va->__doc__ = commentParser.parse(ctx) + va->__doc__;
  - first = false;
  - }
  va->is_blocking = false;
  res.push_back(va);
  }
  