Move Vote program out of the SDK

core/src/staking_utils.rs

@@ -1,7 +1,7 @@
 use hashbrown::HashMap;
 use solana_runtime::bank::Bank;
 use solana_sdk::pubkey::Pubkey;
-use solana_sdk::vote_program::VoteState;
+use solana_vote_api::vote_state::VoteState;
 
 /// Looks through vote accounts, and finds the latest slot that has achieved
 /// supermajority lockout