It is possible to hit this if nobody has liquidated a user and collateral prices have dropped significantlyThere is a possibility for a user to burn dsc and therefore make his health factor better, but still broken.
We don't want to revert when someone has make their health factor better (even if it is still broken) and even burn gas fee for that.
The operation in this location is useless and won't allow user to strengthen the system, when burning DCS, without redeeming collateral.
Manual Review
Delete this line 244. _revertIfHealthFactorIsBroken(msg.sender); // I don't think this would ever hit...
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