Go to BlasterRouter contract and connect wallet https://blastscan.io/address/0xc972fae6b524e8a6e0af21875675bf58a3133e60#writeContract
Open removeLiquidity string and fill with following parameters:
tokenA: tokenB address
tokenB: tokenA address
liquidity: amount you got from balanceOf
amountAMin:0
amountBMin: 0
to: your address
deadline: 1900400101