fixed broken prefixes

groups:
  Member:
    default: true
    prefix: '&0[&3Member&0]&f'
    permissions:
    - essentials.help
    - essentials.tpa
    - essentials.tpaccept
    - essentials.tpdeny
    - essentials.balance
    - essentials.balance.others
    - essentials.balancetop
    - essentials.pay
    - essentials.getpos
    - essentials.helpop
    - essentials.ignore
    - essentials.mail
    - essentials.msg
    - essentials.rules
    - essentials.seen
    - essentials.seen.banreason
    - essentials.spawn
    - essentials.back
    - essentials.back.ondeath
    - essentials.delhome
    - essentials.sethome
    - essentials.home
    - essentials.list
    options:
      build: true
      rank: '1000'
  Iron:
    default: false
    prefix: '&0[&7Iron&0]&f'
    permissions:
    - vaults.3
    inheritance:
    - Member
    options:
      build: true
      rank: '950'
  Gold:
    default: false
    prefix: '&0[&6Gold&0]&f'
    permissions:
    - vaults.6
    inheritance:
    - Iron
    options:
      build: true
      rank: '900'
  Redstone:
    default: false
    prefix: '&0[&4Redstone&0]&f'
    permissions:
    - vaults.9
    inheritance:
    - Gold
    options:
      build: true
      rank: '850'
  Obsidian:
    default: false
    prefix: '&0[&8Obsidian&0]&f'
    permissions:
    - vaults.12
    inheritance:
    - Redstone
    options:
      build: true
      rank: '800'
  Diamond:
    default: false
    prefix: '&0[&bDiamond&0]&f'
    permissions:
    - vaults.15
    inheritance:
    - Obsidian
    options:
      build: true
      rank: '750'
  Helper:
    default: false
    prefix: '&0[&2Helper&0]&f'
    permissions:
    - essentials.kick
    - essentials.tpahere
    - essentials.invsee
    - essentials.realname
    inheritance:
    - Diamond
    options:
      build: true
      rank: '700'
  Moderator:
    default: false
    prefix: '&0[&1Moderator&0]&f'
    permissions:
    - essentials.fly
    - essentials.tempban
    - essentials.pardon
    - essentials.ban
    - essentials.jail
    - essentials.unjail
    inheritance:
    - Helper
    options:
      build: true
      rank: '650'