test-network: drop ExecReload= in networkd.service and udevd.service

Follow-up for 0e07cdb and
f843315.

(cherry picked from commit 62eaf8d)
(cherry picked from commit 21181e2)

Author: yuwata

test/test-network/systemd-networkd-tests.py

@@ -372,17 +372,12 @@ def create_unit_dropin(unit, contents):
     with open(f'/run/systemd/system/{unit}.d/00-override.conf', mode='w', encoding='utf-8') as f:
         f.write('\n'.join(contents))
 
-def create_service_dropin(service, command, reload_command=None, additional_settings=None):
+def create_service_dropin(service, command, additional_settings=None):
     drop_in = [
         '[Service]',
         'ExecStart=',
         f'ExecStart=!!{valgrind_cmd}{command}',
     ]
-    if reload_command:
-        drop_in += [
-            'ExecReload=',
-            f'ExecReload={valgrind_cmd}{reload_command}',
-        ]
     if enable_debug:
         drop_in += ['Environment=SYSTEMD_LOG_LEVEL=debug']
     if asan_options:
@@ -700,7 +695,6 @@ def setUpModule():
     save_timezone()
 
     create_service_dropin('systemd-networkd', networkd_bin,
-                          f'{networkctl_bin} reload',
                           ['[Service]', 'Restart=no', '[Unit]', 'StartLimitIntervalSec=0'])
     create_service_dropin('systemd-resolved', resolved_bin)
     create_service_dropin('systemd-timesyncd', timesyncd_bin)
@@ -714,8 +708,6 @@ def setUpModule():
             '[Service]',
             'ExecStart=',
             f'ExecStart=!!{udevd_bin}',
-            'ExecReload=',
-            f'ExecReload={udevadm_bin} control --reload --timeout 0',
         ]
     )
     create_unit_dropin(