autotest: Delete scheduler_config

no grep hits

Bug: 1033823
Change-Id: I178ce1b2b4e9d9303588d181914f13163bec79e6
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/1967051
Reviewed-by: Xixuan Wu <xixuan@chromium.org>
Tested-by: Allen Li <ayatane@chromium.org>
Commit-Queue: Allen Li <ayatane@chromium.org>
diff --git a/scheduler/scheduler_config.py b/scheduler/scheduler_config.py
deleted file mode 100644
index 69e476f..0000000
--- a/scheduler/scheduler_config.py
+++ /dev/null
@@ -1,41 +0,0 @@
-import common
-from autotest_lib.client.common_lib import global_config
-
-CONFIG_SECTION = 'SCHEDULER'
-
-class SchedulerConfig(object):
-    """
-    Contains configuration that can be changed during scheduler execution.
-    """
-    FIELDS = [
-                ('max_processes_per_drone', int),
-                ('clean_interval_minutes', int),
-                ('max_parse_processes', int),
-                ('tick_pause_sec', float),
-                ('max_transfer_processes', int),
-                ('secs_to_wait_for_atomic_group_hosts', int),
-                ('reverify_period_minutes', int),
-                ('reverify_max_hosts_at_once', int),
-                ('max_repair_limit', int),
-                ('max_provision_retries', int),
-             ]
-
-
-    def __init__(self):
-        self.read_config()
-
-
-    def read_config(self):
-        """
-        Reads the attributes (listed in `FIELDS`) from the global config
-        and copies them into self.
-        """
-        config = global_config.global_config
-        config.parse_config_file()
-        for field, data_type in self.FIELDS:
-            setattr(self, field, config.get_config_value(CONFIG_SECTION,
-                                                         field,
-                                                         type=data_type))
-
-
-config = SchedulerConfig()
diff --git a/server/system_utils.py b/server/system_utils.py
index 5bed477..951cf06 100644
--- a/server/system_utils.py
+++ b/server/system_utils.py
@@ -13,7 +13,6 @@
 import common
 from autotest_lib.client.common_lib import global_config
 from autotest_lib.client.common_lib import utils
-from autotest_lib.scheduler import scheduler_config
 from autotest_lib.site_utils import server_manager_utils
 
 
@@ -23,9 +22,7 @@
     if server_manager_utils.use_server_db():
         return server_manager_utils.get_drones()
     else:
-        drones = global_config.global_config.get_config_value(
-                scheduler_config.CONFIG_SECTION, 'drones', default='localhost')
-        return [hostname.strip() for hostname in drones.split(',')]
+        return []
 
 
 def get_shards():