code: func (ms *ManagedState) RemoveNonce(addr common.Address, n uint64) {
  	if ms.hasAccount(addr) {
  		ms.mu.Lock()
  		defer ms.mu.Unlock()
  
  		account := ms.getAccount(addr)
  		if n-account.nstart <= uint64(len(account.nonces)) {
  			reslice := make([]bool, n-account.nstart)
  			copy(reslice, account.nonces[:n-account.nstart])
  			account.nonces = reslice
  		}
  	}
  }
docs: // RemoveNonce removed the nonce from the managed state and all future pending nonces