SIMD-0458: Stop special-casing of Vote CU cost

SIMD-0458 (Stop special-casing of Vote CU cost) is a Core Standard Solana Improvement Document by Tao Zhu; proposal status Activated.

Active on mainnet-beta since epoch 981; active on testnet since epoch 954; active on devnet since epoch 1054.

Feature gates

• Feature gate: stop use static SimpleVote transaction cost, issue #10227

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