Remove after the Cooldown?

hello,

witch setting must be set in this Config that my players can always Remove there Builds?

    "Block Cooldown After Spawn Settings": {
      "Default": 36000.0,
      "Permissions": {
        "buildtools.vip": 34000.0,
        "buildtools.premium": 32000.0
      }
    },
or can i delete this code in the config file or can i set this to 0 ? 

Hi! yes, you must set the value to 0