removed unlinking feature as it was unnecessary

contracts/SteamToEtherSafe.sol

@@ -7,7 +7,7 @@ import "@openzeppelin/contracts/utils/Address.sol";
 
 
 // this is a way to store steam/eth wallet links without exposing what wallet is linked to what steam account
-contract SteamToEtherSafe is Context{
+contract SteamToEtherSafe is Context {
  using Address for address;
 
  mapping(uint256 => uint256) internal _links;
@@ -45,14 +45,8 @@ contract SteamToEtherSafe is Context{
  // what do we do if someone loses their account? forever broken steamid64 link?
  function LinkAccount(uint256 hashed_steamid) public {
  uint256 _wallet = uint256(keccak256(abi.encodePacked(_msgSender())));
- require(_links[_wallet] == 0, "Account already linked, must unlink from the source wallet"); //prevent hackers/others from taking over an accuont link
  _links[_wallet] = hashed_steamid;
  }
- function UnlinkAccount() public {
- uint256 _wallet = uint256(keccak256(abi.encodePacked(_msgSender())));
- _links[_wallet] = 0;
- }
-