Federal Health Minister Greg Hunt is set to quit politics after 20 years in parliament, joining attorney-general Christian Porter in his retirement announcement. Hunt has held one of the government’s most important roles as the nation contends with the COVID-19 pandemic, while Porter was once touted as a future Prime Minister. Media reports on Wednesday speculated Hunt would use the last sitting week for the year to announce on Thursday he will not recontest his Victorian seat of Flinders at the next election despite having repeatedly said he would seek another term. It came on the same day former attorney-general Christian Porter on Wednesday announced he had decided not to recontest his West Australian seat of Pearce, bemoaning the “harshness” that comes with elected office. In a lengthy statement on his website and Facebook, Porter said “the only certainty now” in politics was that “there appears to be no limit …