removeLockups

     // Lockup 정보 입력 (아래 순으로 기입)

    address account;        // Lockup 계정 주소
    uint256 lockupIndex;    // Lockup Index

    let lockupInfo = [
        [accounts[1].address, 0],
        [accounts[1].address, 1],
        [accounts[1].address, 2],
    ]

    // Encode 형태로 치환
    const abiCoder = ethers.utils.defaultAbiCoder;
    const encodeLockupInfo= abiCoder.encode(["tuple(address, uint256, uint256)[]"], [mintInfo]); 

    // exec
    await lockupContract.removeLockups(encodeLockupInfo);