Crypto-ERC20-DevToken-removeStake-V3.0

    /**
     * @notice
     * removeStake takes in an amount and a index of the stake and will remove tokens from that stake
    */
     function removeStake(uint256 _stake, uint256 index) public {
         // Grab user_index which is the index to use to grab the Stake[]
         uint256 user_index = stakeHolders[msg.sender];

         require(stakes[user_index][index].amount >= _stake, "Cannot withdraw more than you have staked");
         // Remove by subtracting the money unstaked 
         stakes[user_index][index].amount = stakes[user_index][index].amount - _stake;
         // If stake is empty, 0, then remove it from the array of stakes
         if(stakes[user_index][index].amount == 0){
             delete stakes[user_index][index];
         }
        
         // Return staked tokens to user
         _mint(msg.sender, _stake);
     }