clean up skip mode

cylc/flow/run_modes/skip.py

@@ -16,34 +16,17 @@
 """Utilities supporting simulation and skip modes
 """
 
-from dataclasses import dataclass
 from logging import INFO
 from typing import (
-    TYPE_CHECKING, Any, Dict, List, Optional, Tuple, Union)
-from time import time
+    TYPE_CHECKING, Any, Dict, Tuple)
 
-from cylc.flow import LOG
-from cylc.flow.cycling import PointBase
-from cylc.flow.cycling.loader import get_point
-from cylc.flow.exceptions import PointParsingError
-from cylc.flow.platforms import FORBIDDEN_WITH_PLATFORM, get_platform
+from cylc.flow.platforms import get_platform
 from cylc.flow.task_outputs import TASK_OUTPUT_SUBMITTED
-from cylc.flow.task_state import (
-    TASK_STATUS_RUNNING,
-    TASK_STATUS_FAILED,
-    TASK_STATUS_SUCCEEDED,
-    MODE_SKIP,
-)
-from cylc.flow.wallclock import get_unix_time_from_time_string
-
-from metomi.isodatetime.parsers import DurationParser
+from cylc.flow.task_state import MODE_SKIP
 
 if TYPE_CHECKING:
-    from cylc.flow.task_events_mgr import TaskEventsManager
     from cylc.flow.task_job_mgr import TaskJobManager
     from cylc.flow.task_proxy import TaskProxy
-    from cylc.flow.workflow_db_mgr import WorkflowDatabaseManager
-    from typing import bool_value
 
 
 def submit_task_job(
@@ -52,7 +35,7 @@ def submit_task_job(
     rtconfig: Dict[str, Any],
     workflow: str,
     now: Tuple[float, str]
-) -> 'bool_value[True]':
+) -> 'bool':
     """Submit a task in simulation mode.
     """
     itask.summary['started_time'] = now[0]
@@ -74,5 +57,4 @@ def submit_task_job(
             'try_num': itask.get_try_num(),
         }
     )
-    itask.state.status = TASK_STATUS_RUNNING
     return True