feat(cactus-example-tcs-huawei): remove deprecated sample app

- `cactus-example-tcs-huawei` is using
    `cactus-plugin-ledger-connector-go-ethereum-socketio` and
    `cactus-plugin-ledger-connector-tcs-huawei-socketio` which will
    be removed as well. Ths sample app can't exist on it's own.

Closes: hyperledger-cacti#3157
Part of: hyperledger-cacti#3155

Signed-off-by: Michal Bajer <michal.bajer@fujitsu.com>