[batch] eliminate unused imports in hailtop.batch tests

Stacked on hail-is#14314.

hail/python/test/hailtop/batch/test_batch_service_backend.py

@@ -1,36 +1,24 @@
-from typing import AsyncIterator, List, Tuple
-import asyncio
-import inspect
+from typing import Tuple
 import secrets
 
 import pytest
 import os
 from shlex import quote as shq
-import uuid
-import re
-import orjson
 
-import hailtop.fs as hfs
-import hailtop.batch_client.client as bc
-from hailtop import pip_version
 from hailtop.batch import Batch, ServiceBackend, ResourceGroup
 from hailtop.batch.exceptions import BatchException
 from hailtop.batch.globals import arg_max
-from hailtop.utils import grouped, async_to_blocking, secret_alnum_string
-from hailtop.config import get_remote_tmpdir, configuration_of
+from hailtop.utils import grouped
 from hailtop.aiotools.router_fs import RouterAsyncFS
 from hailtop.test_utils import skip_in_azure
 from hailtop.httpx import ClientResponseError
 
 from configparser import ConfigParser
 from hailtop.config import get_user_config, user_config
-from hailtop.config.variables import ConfigVariable
 
 
 from .utils import (
     batch,
-    PYTHON_DILL_IMAGE,
-    HAIL_GENETICS_HAIL_IMAGE,
     REQUESTER_PAYS_PROJECT,
 )
 

hail/python/test/hailtop/batch/test_python_job_in_service.py

@@ -1,29 +1,16 @@
-from typing import AsyncIterator, List, Tuple
 import asyncio
-import inspect
 import secrets
 
 import pytest
 import os
-from shlex import quote as shq
-import uuid
-import re
 import orjson
 
-import hailtop.fs as hfs
 import hailtop.batch_client.client as bc
-from hailtop import pip_version
 from hailtop.batch import Batch, ServiceBackend, ResourceGroup
 from hailtop.batch.exceptions import BatchException
-from hailtop.batch.globals import arg_max
-from hailtop.utils import grouped, async_to_blocking, secret_alnum_string
-from hailtop.config import get_remote_tmpdir, configuration_of
+from hailtop.config import configuration_of
 from hailtop.aiotools.router_fs import RouterAsyncFS
-from hailtop.test_utils import skip_in_azure
-from hailtop.httpx import ClientResponseError
 
-from configparser import ConfigParser
-from hailtop.config import get_user_config, user_config
 from hailtop.config.variables import ConfigVariable