Section 2. And be it further enacted by the authority aforesaid, That from and after the first day of June next, so much of the act of the twenty-second of September, one thousand seven hundred and ninety-four as requires a settlement, residence and raising of grain, as also so much of the act of the third of April, one thousand seven hundred and ninety two, as reduces the price of lands to fifty shillings per hundred acres, be and the same are hereby repealed, so far as respects lands within the purchase of one thousand seven hundred and sixty eight and the previous purchases: provided, that nothing herein contained shall impair or affect the right of any person who may have actually settled on vacant land before the passing of this act.