You should be able to go to that page and remove the amounts that have been imported. Use the "Find" button, type in Home Buyers Plan, check the box beside "Designate an amount as a Home Buyers' Plan repayment" and on the screen that appears remove the entries that have been imported there.
The annual minimum repayment is what is appearing as "RRSP" income, so if CRA has confirmed this does not exist you should have no issues with removing and then NetFiling.
