By Jack Mendel Premier Foods will swoop in for a £33m windfall after reaching a deal with the trustee of its pensions scheme to suspend deficit contribution payments next month. The retail giant behind some of the nation’s favourite brands including Mr Kipling, Ambrosia, Bird’s Custard, Homepride cooking sauces and Oxo, made the announcement to markets this morning. Premier Foods said it reached an agreement with the RHM Pension Scheme Trustee to suspend the contribution from 1 April, which was taking place earlier than expected “reflecting the strong performance of the pension scheme, followi…