Fix tests and remove duplicate _WITHDRAWAL_PREFIX definition

Author: hwwhww

specs/electra/beacon-chain.md

@@ -128,8 +128,6 @@ The following values are (non-configurable) constants used throughout the specif
 
 | Name | Value |
 | - | - |
-| `BLS_WITHDRAWAL_PREFIX` | `Bytes1('0x00')` |
-| `ETH1_ADDRESS_WITHDRAWAL_PREFIX` | `Bytes1('0x01')` |
 | `COMPOUNDING_WITHDRAWAL_PREFIX` | `Bytes1('0x02')` |
 
 ### Domains

tests/core/pyspec/eth2spec/test/phase0/genesis/test_initialization.py

@@ -105,7 +105,9 @@ def test_initialize_beacon_state_some_small_balances(spec):
     assert state.eth1_data.deposit_count == len(deposits)
     assert state.eth1_data.block_hash == eth1_block_hash
     # only main deposits participate to the active balance
-    assert spec.get_total_active_balance(state) == main_deposit_count * max_effective_balance
+    # NOTE: they are pre-ELECTRA deposits with BLS_WITHDRAWAL_PREFIX,
+    # so `MAX_EFFECTIVE_BALANCE` is used
+    assert spec.get_total_active_balance(state) == main_deposit_count * spec.MAX_EFFECTIVE_BALANCE
 
     # yield state
     yield 'state', state