fix: sync with base

Author: vgorkavenko

src/constants.py

@@ -13,8 +13,6 @@
 # https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/beacon-chain.md#gwei-values
 EFFECTIVE_BALANCE_INCREMENT = 2 ** 0 * 10 ** 9
 MAX_EFFECTIVE_BALANCE = 32 * 10 ** 9
-MIN_ACTIVATION_BALANCE = 32 * 10 ** 9
-MAX_EFFECTIVE_BALANCE_ELECTRA = 2048 * 10 ** 9
 # https://github.com/ethereum/consensus-specs/blob/dev/specs/capella/beacon-chain.md#execution
 MAX_WITHDRAWALS_PER_PAYLOAD = 2 ** 4
 # https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/beacon-chain.md#withdrawal-prefixes