Trove loses SOL, decreases debt in ROKS

[ctapang]

The riskiest troves are redeemed from; however, as opposed to the liquidation case, the borrower in this case does not lose all her SOL. For example, if she has 120% SOL collateral, the most she loses is 100% of the value of her debt, leaving 20% in the worst case scenario. SOL is paid to the redeemer, and the burned stable-token basically pays-off the loan (or at least part of it).