Retire the per-runner parallel record (#40343)

test/registered/unit/disaggregation/test_decode_queue_cleanup.py

@@ -11,7 +11,6 @@ from sglang.srt.disaggregation.decode import (
 )
 from sglang.srt.disaggregation.fake.conn import FakeKVManager, FakeKVReceiver
 from sglang.srt.disaggregation.utils import DisaggregationMode
-from sglang.srt.distributed.parallel_state_wrapper import ParallelState
 from sglang.srt.managers.schedule_batch import FINISH_ABORT
 from sglang.srt.managers.scheduler import Scheduler
 from sglang.srt.runtime_context import get_context, publish, reset_context
@@ -440,7 +439,6 @@ class TestDecodeQueueCleanup(CustomTestCase):
         scheduler.last_batch = None
         scheduler.cur_batch_for_debug = None
         scheduler.enable_overlap = False
-        scheduler.ps = ParallelState.trivial()
         scheduler.running_mbs = []
         scheduler.waiting_queue = []
         scheduler.grammar_manager = SimpleNamespace(grammar_queue=[])