fix: justification should not be part of the commitment (bad ux)

Author: jaybuidl

contracts/src/arbitration/dispute-kits/DisputeKitClassic.sol

@@ -307,8 +307,7 @@ contract DisputeKitClassic is IDisputeKit, IEvidence, Initializable, UUPSProxiab
         for (uint256 i = 0; i < _voteIDs.length; i++) {
             require(round.votes[_voteIDs[i]].account == msg.sender, "The caller has to own the vote.");
             require(
-                !hiddenVotes ||
-                    round.votes[_voteIDs[i]].commit == keccak256(abi.encodePacked(_choice, _justification, _salt)),
+                !hiddenVotes || round.votes[_voteIDs[i]].commit == keccak256(abi.encodePacked(_choice, _salt)),
                 "The commit must match the choice in courts with hidden votes."
             );
             require(!round.votes[_voteIDs[i]].voted, "Vote already cast.");

contracts/src/arbitration/dispute-kits/DisputeKitSybilResistant.sol

@@ -325,8 +325,7 @@ contract DisputeKitSybilResistant is IDisputeKit, IEvidence, Initializable, UUPS
         for (uint256 i = 0; i < _voteIDs.length; i++) {
             require(round.votes[_voteIDs[i]].account == msg.sender, "The caller has to own the vote.");
             require(
-                !hiddenVotes ||
-                    round.votes[_voteIDs[i]].commit == keccak256(abi.encodePacked(_choice, _justification, _salt)),
+                !hiddenVotes || round.votes[_voteIDs[i]].commit == keccak256(abi.encodePacked(_choice, _salt)),
                 "The commit must match the choice in courts with hidden votes."
             );
             require(!round.votes[_voteIDs[i]].voted, "Vote already cast.");