remove kludge to skip large_validator_set on mainnet config

tests/core/pyspec/eth2spec/test/context.py

@@ -62,8 +62,6 @@ def _prepare_state(balances_fn: Callable[[Any], Sequence[int]], threshold_fn: Ca
 
     p0 = phases[PHASE0]
     balances = balances_fn(p0)
-    if balances is None:
-        return None
     activation_threshold = threshold_fn(p0)
 
     state = create_genesis_state(spec=p0, validator_balances=balances,
@@ -90,9 +88,6 @@ def with_custom_state(balances_fn: Callable[[Any], Sequence[int]],
             global _custom_state_cache_dict
             if key not in _custom_state_cache_dict:
                 state = _prepare_state(balances_fn, threshold_fn, spec, phases)
-                if state is None:
-                    dump_skipping_message(f"doesn't support this configuration: {spec.CONFIG_NAME}")
-                    return None
                 _custom_state_cache_dict[key] = state.get_backing()
 
             # Take an entry out of the LRU.
@@ -166,13 +161,9 @@ def low_single_balance(spec):
 def large_validator_set(spec):
     """
     Helper method to create a large series of default balances.
-    Return None if too large for standard test processing.
     Usage: `@with_custom_state(balances_fn=default_balances, ...)`
     """
     num_validators = 2 * spec.SLOTS_PER_EPOCH * spec.MAX_COMMITTEES_PER_SLOT * spec.TARGET_COMMITTEE_SIZE
-    if num_validators > spec.SLOTS_PER_EPOCH * 256:
-        # Larger than limit of public/private keys pre-generated
-        return None
     return [spec.MAX_EFFECTIVE_BALANCE] * num_validators