9d956e8643 test: remove redundant `ServiceFlags` test (rustaceanrob)
Pull request description:
The `ServiceFlags` type is already tested within p2p/mod.rs with a nearly identical test. This type also has nothing to do with `network`
ref: https://github.com/rust-bitcoin/rust-bitcoin/blob/master/bitcoin/src/p2p/mod.rs#L400
ACKs for top commit:
tcharding:
ACK 9d956e8643
apoelstra:
ACK 9d956e8643214b3c1ad0e42cc630e2f35f7b7994; successfully ran local tests
Tree-SHA512: d113609070e3df6d44b1ed57c40c1bce251d59fa22eb1abbf6c576fd84e21464553bee7fa97eba000ad9c1b8ef98e2ba04aec7077486273de9b7e54341ba894b