Subscription remover

Sends a command to delete subscriptions. The sender must be the beneficiary's subscription wallet. The list of subscription addresses should be in a subscriptions.csv file.

You can set configuration values directly in the code (Seed,Version vars) or use environment variables.

ENV variables:

• BENEFICIARY_WALLET_SEED
• BENEFICIARY_WALLET_VERSION - format v4R2, v5R1, v3R2
• LITE_SERVERS - optional. Public mainnet servers by default. Format: IP1:PORT1:KEY1,IP2:PORT2:KEY2