Suibase should ignore http_proxy envs when targeting sui-faucet

Suibase internally uses curl to talk with internal processes (e.g. sui-faucet).

Curl might not target the right process when the user has the 'http_proxy' environment variable set.

Suibase should keep full control on the target ip:\

This problem was reported by adu on chainMovers Discord:

ChainMovers / suibase