Function process_deactivate_stake_account 

pub fn process_deactivate_stake_account(
    rpc_client: &RpcClient,
    config: &CliConfig<'_>,
    stake_account_pubkey: &Pubkey,
    stake_authority: SignerIndex,
    sign_only: bool,
    deactivate_delinquent: bool,
    dump_transaction_message: bool,
    blockhash_query: &BlockhashQuery,
    nonce_account: Option<Pubkey>,
    nonce_authority: SignerIndex,
    memo: Option<&String>,
    seed: Option<&String>,
    fee_payer: SignerIndex,
    compute_unit_price: Option<u64>,
) -> ProcessResult