Move gossip modules into solana-gossip crate (#17352)

* Move gossip modules to solana-gossip

* Update Protocol abi digest due to move

* Move gossip benches and hook up CI

* Remove unneeded Result entries

* Single use statements

validator/src/lib.rs

@@ -1,5 +1,6 @@
 #![allow(clippy::integer_arithmetic)]
-pub use solana_core::{cluster_info::MINIMUM_VALIDATOR_PORT_RANGE_WIDTH, test_validator};
+pub use solana_core::test_validator;
+pub use solana_gossip::cluster_info::MINIMUM_VALIDATOR_PORT_RANGE_WIDTH;
 use {
     console::style,
     indicatif::{ProgressDrawTarget, ProgressStyle},