Section 3. And be it further enacted by the authority aforesaid, That so much of the act of the third of April, one thousand seven hundred and ninety-two, as reduces the price of lands to five pounds for every hundred acres, as also so much of the act of the twenty-second September, one thousand seven hundred and ninety-four as requires a settlement, residence and raising of grain, be, and the same are hereby repealed, so far as respects lands within the limits aforesaid: Provided, That nothing herein contained shall impair the right of any person who may have settled on vacant land previously to the first day of September next.